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Use identities to find the value of each expression. 1) If sin , find cos ( 2) If tan ( ) , find cot (
Create your own worksheets like this one with Infinite Precalculus. Free trial available at KutaSoftware.com
Create your own worksheets like this one with Infinite Precalculus. Free trial available at KutaSoftware.com
Worksheet by Kuta Software LLC-4-7) csc2x + sec2x secx Decompose into sine and cosine (1 sinx) 2 + (1 cosx) 2 1 cosx Simplify cos2x + sin2x sin2xcosx Use sin2x + cos2x = 1 1 sin2xcosx 8) cscxsinx + cot2xDecompose into sine and cosine 1 sinx × sinx + (cosx sinx) 2 Simplify sin2x + cos2x sin2x Use sin2x + cos2x = 1 1 sin2x Use cscx = 1 sinx cscx ...
Worksheet by Kuta Software LLC-3-Answers to Worksheet Review Trig. Identities (basic) (ID: 1) 1) tan2x - sec2x cosx Use tan2x + 1 = sec2x-1 cosx Use secx = 1 cosx-secx 2) tanx + secxDecompose into sine and cosine sinx cosx + 1 cosx Simplify 1 + sinx cosx 3) secx sin3x Use cscx = 1 sinx csc3xsecxUse secx = 1 cosx csc3x cosx
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: ...
Verifying Trig Identities. Date________________ Period____. Verify each identity. Work on the left side only. Give a reason for each step. 1) cot2 x - tan2 x = csc2 x - sec2 x. 2) sin xsec x = tan x. cos2 x sin x. 3) = csc x sec2 x.
