1 point Select the correct answer. The expression cos(45° – 2) + sin(60° + x) is...
(1 point) Simplify each expression. sin(x) + sin(-2) = sin(20) sin(-x) + cos(-2) cos(x) cos(x) + cos(-x) = Note: You can earn partial credit on this problem. Entered Answer Preview
This Test: 45 pt 2 of 45 (0 s Question: 1 pt cos (2x) cos (5x)+ sin (2x) sin (5x)-2 To the right, half of an identity and the graph of this half are given Use the graph to make a conjecture as to what the right side of the identity should be Then prove the conjecture The graphis shown in a(-2x, 2x, x/2]by I-2,2, 1] viewing window O sin (3x) 。cos(3x) O -cos (3x) O sin(3x Prove your conjecture...
Find the expression that is equivalent to sin 70° cos 30° + cos 70° sin 30° Choose the correct answer below. O O O O cos 100° sin 100 cos 40° sin 40°
answer only Simplify the expression: Give the answer in exact form. sin(2006) sin 2 cos x Question 2 < > Score on last try: 0 of 1 pts. See Details for more. > Next question Try a similar question You can retry this question below Let f(x) = 6 .sin x + 4 f'(x) = -6 cos(x) + 4x + C X Check your variables - you might be using an incorrec Question 6 Below is a graph of function...
Establish the identity. 1 - sin 0 cos e + COS 0 1 - sin e = 2 sec Write the left side of the expression with a common denominator. Do not expand the numerator. cos (1 - sin o) Expand and simplify the numerator by rewriting without any parentheses. + cos20 cos (1 - sin o) Apply an appropriate Pythagorean Identity to simplify the numerator of the expression from the previous step. cos (1 - sin o) (Do not...
1-17 u ule exact value of the expression 1) cos? 30+ cos? 60 2) cot 45-tan 45 5-6 Use the given information to find the exact value 3) sin? 53 + cos2 53 4) cot 20 -tan 20 5) sin = , where is in quadrant 1. Find tan 6) tan 0 = - , where is in quadrant 4. Find sec 7-12 Verify the identity 7) tan sin cos 0 = sin? 8) tane = sine 9) tancos? +...
Find a cofunction with the same value as the given expression. sin 33° Select the correct choice below and fill in the answer box to complete your choic (Simplify your answer. Type any angle measures in degrees. Do not include the 0 O A. sin 33° = cot O B. sin 33° = CSC 0 O C. sin 33° = sec o OD. sin 33° = cos O E. sin 33° = tan 0
11. -1 points SAlgTrig4 7 1037 Verify the identity. sin(x) cos(-x) -sin x -cos x This answer has not been graded yet. Need Help? Rea I 12. O1 points SAgTrig4 7.1.040 Verify the identity. (sin(x) + cos(x))1 +2 cos(x) sin(x) This answer has not been graded yet Need Help? 16.0/1 points SAlgTrig4 7 1.063 Verify the identity csc(x) + sec(x) = cos(x) + sin(x) cot(x) + tan(x) .This answer has not been graded yet Need Help? Red 19. -1 points...
Solve the equation on the interval [0.2π). (tan θ + 1)( cos θ-1):0 Use an identity to solve the following equation on the 2 2 cos x sin x 1 0 Select the correct choice below and, if necessary, filli (Type your answer in radians. Use integers ort separate answers as needed.) There is no solution. 0 B. Solve the equation on the interval [0.2π). (tan θ + 1)( cos θ-1):0 Use an identity to solve the following equation on...
(1 point) Simplify the expression as much as possible. (cos(u)-1)/(sin(u)) - (sin(u))/(cos(u)+1)