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please solve both pronlems .Question 2 is kind of hard to
see,it says 5pie/12
cos 8-5/13,...
Test: Chapter 5 Post-Test This Question: 1 pt 3 of Find the exact value of the...
Test: Chapter 5 Post-Test This Question: 1 pt 3 of Find the exact value of the expressions cos (a + b), sin (a + B) and tan (a + B) under the following conditions: cos (a) = 24 25 a lies in quadrant IV, and sin(B) = -6 13 Blies in quadrant III. a, cos (a + b) = (Simplify your answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use integers or fractions for any numbers...
This Question: 5 pts 9 of 20 (12 complete) Use identities to find values of the...
This Question: 5 pts 9 of 20 (12 complete) Use identities to find values of the sine and cosine functions for the angle measure. 0, given that cos20 = 656 and o®<o<90° sino = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression Rationalize all denominators.) cos8= (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression Rationalize all denominators.) This Question: 5 pts 10 of 20...
Given cos a = 12 13 with a in quadrant II, and sin B 8 17...
Given cos a = 12 13 with a in quadrant II, and sin B 8 17 with Bin quadrant | Find the exact value of tan (a-). ОА. 3 20 o B. 21 220 3 OC. 20 171 220 O D. Click to select your answer.
This Question: 5 pts Write the equation of a sine function that has the following characteristics....
This Question: 5 pts Write the equation of a sine function that has the following characteristics. 1 Amplitude: 8 Period: 9 Phase shift: 8 Type the appropriate values to complete the sine function. y=sin(x- (Use integers or fractions for any numbers in the expression. Simplify your answers.) Use fundamental identities and/or the complementary angle theorem to find the exact value of the expression. Do not use a calculator sin 12° tan 12° cos 12° sin 12° tan 12° cos 12°...
Solve, finding all solutions. Express the solutions in both radians and degrees. cos x= - Express...
Solve, finding all solutions. Express the solutions in both radians and degrees. cos x= - Express the solutions in radians. Select the correct answer below and, if necessary, fill in the answer box to complete your choice. O A. There is one solution on [0,21) at x = . Solutions are of the form x + 2km, where k is an integer. (Simplify your answer. Type an exact answer, using a as needed. Use integers or fractions for any numbers...
- 12.5 POINTS HPRECALCS 7.3.014. 0/8 Submissions Used Use the half-angle identity to evaluate the given...
- 12.5 POINTS HPRECALCS 7.3.014. 0/8 Submissions Used Use the half-angle identity to evaluate the given expression exactly. (Enter the exact answer as a fraction. Decimal answers will not be accepted. Your answer should not contain sin, cos, or tan Submit Answer View Previous Question Question 3 of 4 View Next Question
what is cos2xcos7x+sin7xsin2x equvivalent to? cos 9x sin9x cos^2(9x)-sin^2(9x) cos5x show the work as well might...
what is cos2xcos7x+sin7xsin2x equvivalent to?
cos 9x
sin9x
cos^2(9x)-sin^2(9x)
cos5x
show the work as well
might nwed these formulas
2 sum & Difference Identities sin latb) sina cosb + cos a sinb. Sinca sina cos b-Cosa sinb cos lab) = cos a Casb- sing sinb COSLO-b = cosa cos b+ sino sinb tanla+batang tan b Power reducing Formulas 1 tang tanb sindo - 1-Cosao tanla-b) = tana - tank 1+ tangtanbo cos6= 1+ cosa e Double Angle Identites sin axo...
Please show all the work to complete the question and explain each step, please. Thank you! Let F(x, y) e*y (y cos x -...
Please show all the work to complete the question and explain
each step, please. Thank you!
Let F(x, y) e*y (y cos x - centered at (1,0) in the first quadrant, traced clockwise from (0,0) to (2, 0). And suppose that C2 is the line from (0,0) to (2,0). sin x) xexy cos xj. Suppose that C1 is the half of the unit circle (A) Use the curl test to determine whether F is a gradient vector field or not....
Seard 2. Evaluate without using a calculator. Draw a picture. Show and label where your answer...
Seard 2. Evaluate without using a calculator. Draw a picture. Show and label where your answer lies. What is the reference angle? Write your answer as an exact value. You must show your work. Do not skip steps. v2 2 a. sin b. tan (13) 3. Find the length of the arc s intercepted by a central angle 0 = 330 in a circle of radius r =6 in. Round your answer to the nearest tenth. 1 4. If cos...
Please see attached question/parts. Please show all work & double check units to answer for what...
Please see attached question/parts. Please show all work
& double check units to answer for what the question is asking
exactly. Please show all work. Thank you!
Below the question is a rough outline of how to approach
part b!
2a) A charge of -3.7 micro-coulombs lies at the origin and another charge of +9.9 micro-coulombs lies at x--13 cm, y +8 cm. At a certain point, the total electric field from these two charges is zero. What is the...
Test: Chapter 5 Post-Test This Question: 1 pt 3 of Find the exact value of the expressions cos (a + b), sin (a + B) and tan (a + B) under the following conditions: cos (a) = 24 25 a lies in quadrant IV, and sin(B) = -6 13 Blies in quadrant III. a, cos (a + b) = (Simplify your answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use integers or fractions for any numbers...
This Question: 5 pts 9 of 20 (12 complete) Use identities to find values of the sine and cosine functions for the angle measure. 0, given that cos20 = 656 and o®<o<90° sino = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression Rationalize all denominators.) cos8= (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression Rationalize all denominators.) This Question: 5 pts 10 of 20...
Given cos a = 12 13 with a in quadrant II, and sin B 8 17 with Bin quadrant | Find the exact value of tan (a-). ОА. 3 20 o B. 21 220 3 OC. 20 171 220 O D. Click to select your answer.
This Question: 5 pts Write the equation of a sine function that has the following characteristics. 1 Amplitude: 8 Period: 9 Phase shift: 8 Type the appropriate values to complete the sine function. y=sin(x- (Use integers or fractions for any numbers in the expression. Simplify your answers.) Use fundamental identities and/or the complementary angle theorem to find the exact value of the expression. Do not use a calculator sin 12° tan 12° cos 12° sin 12° tan 12° cos 12°...
Solve, finding all solutions. Express the solutions in both radians and degrees. cos x= - Express the solutions in radians. Select the correct answer below and, if necessary, fill in the answer box to complete your choice. O A. There is one solution on [0,21) at x = . Solutions are of the form x + 2km, where k is an integer. (Simplify your answer. Type an exact answer, using a as needed. Use integers or fractions for any numbers...
- 12.5 POINTS HPRECALCS 7.3.014. 0/8 Submissions Used Use the half-angle identity to evaluate the given expression exactly. (Enter the exact answer as a fraction. Decimal answers will not be accepted. Your answer should not contain sin, cos, or tan Submit Answer View Previous Question Question 3 of 4 View Next Question
what is cos2xcos7x+sin7xsin2x equvivalent to?
cos 9x
sin9x
cos^2(9x)-sin^2(9x)
cos5x
show the work as well
might nwed these formulas
2 sum & Difference Identities sin latb) sina cosb + cos a sinb. Sinca sina cos b-Cosa sinb cos lab) = cos a Casb- sing sinb COSLO-b = cosa cos b+ sino sinb tanla+batang tan b Power reducing Formulas 1 tang tanb sindo - 1-Cosao tanla-b) = tana - tank 1+ tangtanbo cos6= 1+ cosa e Double Angle Identites sin axo...
Please show all the work to complete the question and explain
each step, please. Thank you!
Let F(x, y) e*y (y cos x - centered at (1,0) in the first quadrant, traced clockwise from (0,0) to (2, 0). And suppose that C2 is the line from (0,0) to (2,0). sin x) xexy cos xj. Suppose that C1 is the half of the unit circle (A) Use the curl test to determine whether F is a gradient vector field or not....
Seard 2. Evaluate without using a calculator. Draw a picture. Show and label where your answer lies. What is the reference angle? Write your answer as an exact value. You must show your work. Do not skip steps. v2 2 a. sin b. tan (13) 3. Find the length of the arc s intercepted by a central angle 0 = 330 in a circle of radius r =6 in. Round your answer to the nearest tenth. 1 4. If cos...
Please see attached question/parts. Please show all work
& double check units to answer for what the question is asking
exactly. Please show all work. Thank you!
Below the question is a rough outline of how to approach
part b!
2a) A charge of -3.7 micro-coulombs lies at the origin and another charge of +9.9 micro-coulombs lies at x--13 cm, y +8 cm. At a certain point, the total electric field from these two charges is zero. What is the...
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