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Use identities to find the value of each expression. 1) If sin , find cos ( ). 2) If tan ( ) , find cot ( ). 3) If cos ( ) , find sin . 4) If sin , find cos ( ). 5) If sec , find csc ( ). 6) If sin ( )
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Answers to Verifying Identities. sin x + csc x. 1) csc x. Decompose into sine and cosine. 1. +. sin x sin x. Simplify. 1.
M Worksheet by Kuta Software LLC Kuta Software - Infinite Geometry Name_____ Trigonometric Ratios Date_____ Period____ Find the value of each trigonometric ratio. 1) tan Z 28 21 35 Z Y X 3 4 2) cos C 16 34 30 C B A 8 17 3) sin C 21 28 35 C B A 4 5 4) tan X 24 32 40 X Y Z 4 3 5) cos A 30 16 34 A B C 15 17 6) sin A 24 32 40 A C B 4 5 7) sin Z 32 ...
Answers to Worksheet Review Trig. Identities (basic) (ID: 1) tan2 x - sec2 x. 1) cos x. Use tan2 x + 1 = sec2 x. 1. - cos x. 1. Use sec x = cos x. -sec x sec x.
Trig Prove each identity; 1 . 1 . secx - tanx SInX - - secx 3. sec8sin8 tan8+ cot8 sin' 8 5 . cos ' Y -sin ., y = 12" - Sin Y 7. sec2 e --sec2 e-1 csc2 e Identities worksheet 3.4 name: 2. 1 + cos x = esc x + cot x sinx 4. sec8 tan8 1 -----= cos8 cot8 6. csc2 e tan2 e -1 = tan2 e 8. tan2 x sin' x = tan' x - sin' x
Trigonometric Identities Worksheet Introduction to Identities 1. If 3 sin 5 T , then csc ?T 2. If 3 cos 2 T , then sec ?T 3. If tan 2T , then cot ?T 4. If sec 1T , then cos ?T 5. If 3 sin 5 T and 4 cos 5 T , find tanT and cotT. 6. If 3 sin 5 T and T terminates in quadrant II, find cosT. 7. Write sec tanTT in terms of sinT and cosT and then ...
