an 12. Find the exact value of sin(u + v) given that si (Both u and...
17 points) 13. Find the exact value of the following under the given conditions: COS u lies in quadrant Il and tan vv lies in quadrant III. a) sin(+v) b) cos(w + v) c) tan(+ v) d) Which quadrant does angle u + v lie in?
1. -/0.024 points LarATRMRP76.4.047. Find the exact value of the trigonometric expression when sin(u) = - *and cos(V) = - (Both u and v are in Quadrant III.) tan(u + v)
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...
need help wirh part a and b
1. Find all different solutions to the triangle problems, if a) a=10, b= 12, 0216 they exist (b) soo-b, e=720 ( = 460 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...
7. You are given that u is an angle in quadrant III with sin u -, and that w is an angle in the first quadrant with tan w = ? . Calculate the exact value of each one of the following: (You should show how you get your answer) (a) cos u (b) tanu (c) sin w (d) cos w (e) sin (u - w) (f) cos (W + u)
5 4 If tan = and coto= find the exact value of sin(0-0). 9 Note: Be sure to enter EXACT values 1 You do not need to simplify any radicals. sin(0-0)- 2 If cosa = 0.369 and cos B 0.195 with both angles' terminal rays in Quadrant-l, find the values of (a) sin(a +B) = (b) sin(B-a) = Your answers should be accurate to 4 decimal places. Give exact answers 2 sin(a) = and cos(B) 4 5 Both angles terminate...
41&43
In Problems 41-46, use the given information and appropriate identities to find the exact value of the indicated expression. 41. Find sin(x + y) if sin x = 1/3, cos y = -3/4, x is in quadrant II, and y is in quadrant III. 42. Find sin(x - y) if sin x = -2/5, sin y = 2/3, x is in quadrant IV, and y is in quadrant I. 43. Find cos(x - y) if tan x = -1/4,...
w Find the exact value of the trigonometric expression given than sin u = - where 3 < <u<2nt and cos v = - 15, where 0 < v cos(u - v)
Find the exact value of the expressions cos(a + b), sin(a + b) and tan(a+) under the following conditions: sin(a)= a lies in quadrant I, and sin(B) = - Blies in quadrant II. a. cos(a +B)= (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in
Use the given information to find the exact value of each of the following a sin 20 b. cos 20 c. tan 20 sin = 7 19 Olles in quadrant II a sin 20 = (Simplify your answer. Type an exact answer, using radicals as needed Use integers or fractions for any numbers in the expression Rationalize all denominators.) b. cos 20 (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers...