Find the exact value trigonometry. Show each step and no calculator sin-1 x = - 1.59
Advanced methods of trigonometry can be used to find the exact value. Use the exact value sin 18° = 15 - 4 and identities to find the exact value of sec 72° sec 72° = (Simplify your answer. Type an exact answer, using radicals as needed.)
Find the exact value of each composition without using a calculator. 7. secarcsin) 1 8. tan 1 (sin (7) 9. sin (csc - 1(-2)) 10. cot-1(sec (TT))
Advanced methods of trigonometry can be used to find the exact
value.
if cos x = -and sin x > 0, find the exact value of sin(2x) VO and simplify
1 sine = 8,0<o< , find the exact value of each of the following. (a) sin (20) (b) cos (20) (c) sin 2 (d) cos 8 2 (a) sin (20) = (Type an exact answer, using radicals as needed.) (b) cos (20) = (Type an exact answer, using radicals as needed.) 0 2 (Type an exact answer, using radicals as needed.) (c) sin 0 (d) cos 2 (Type an exact answer, using radicals as needed.)
This Question: 1 pt If sin = 5,0 <0<5, find the exact value of each of the following (a) sin (20) (b) cos (20) (c) sin (d) cos (a) sin (20) = (Type an exact answer, using radicals as needed.) (b) cos (20) = (Type an exact answer, using radicals as needed.) (C) sin = 0 Enter your answer in each of the answer boxes. Save for Later
Find the exact value of: sin(cos^-1(-5/13) + tan^-1(8/15
12. Find the exact value of: sin(cos + tan 13
Find the exact value of the expression cos(sin If sin = sin 2 15 find the exact value of cos(20) Solve sin 2x = cos 2x, where 0 <x<21.
this is 2 questions
If xsin x = 3.5, find (-x) sin(-x). Find the exact value of the expression in terms of x with the help of a reference angle.
Find the exact value of the sin (x-y) when secx= -2, cot y= -1, and x and y are in quadrant II