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  1. Trigonometric Identities Worksheet. I. Prove each identity. 1) tanxcos x =sinx. x . ' tan x. 5) Slnx=- secx. II. Prove each identity. 1) esc x(l + sin x) == 1+ esc x. 3) coscx(secx-1)=1-cosx. 1- tan x. 5) =-tanx . 1- cotx . III. Prove each identity. 2 . sin x + 1. 1) sm x tan x + sec x ==--- cosx . ) 1+ si. 1- x esc x-I. l+sinx . .

  2. trigonometric identities with solutions. Created by T. Madas. Created by T. Madas. TRIGONOMETRIC IDENTITIES. Created by T. Madas. Created by T. Madas. 1. ( ) ( )2cos sin cos 2sin 5x x x x+ + − ≡2 2(**) 2.sec sec sin cosθ θ θ θ− ≡2(**)

  3. Worksheet by Kuta Software LLC Kuta Software - Infinite Precalculus Fundamental Trig Identities Name_____ Date_____ Period____-1-Use identities to find the value of each expression. 1) If sin , find cos ( ). 2) If tan ( ) , find cot (

  4. 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 . Tria Prove each identity: ...

  5. 21 Trigonometric Identities Worksheet. Concepts: Trigonometric Identities. { Reciprocal Identities. { Pythagorean Identities. { Periodicity Identities. { Negative Angle Identitites. (Sections 6.6 & 7.1) Find the period, phase shift, and sketch the graph of y = 2 csc(2x. Find all solutions to the equation tan( ) = cot( ) for 0 < <

  6. 25 More Trigonometric Identities Worksheet. Concepts: Trigonometric Identities. { Addition and Subtraction Identities. { Cofunction Identities. { Double-Angle Identities. { Half-Angle Identities. (Sections 7.2 & 7.3) Find the exact values of the following functions using the addition and subtraction formulas. 9 7. sin (b) cos. 12 12.

  7. Trigonometric Equations. 1. Find all values of x for which 2 cos x 3 . 2. Solve 2 sin 3 0 , if 0 x 360 . 2 3. Solve 2 cos t 9co s t 5 , if 0 t 2 . 4. Solve 2 sin 2 2s in 1 0 , if 0 2 .

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