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  1. Use identities to find the value of each expression. 1) If sin , find cos ( 2) If tan ( ) , find cot (

  2. Create your own worksheets like this one with Infinite Precalculus. Free trial available at KutaSoftware.com

  3. Create your own worksheets like this one with Infinite Precalculus. Free trial available at KutaSoftware.com

  4. Verifying Identities Name_____ Date_____ Period____ ©f Y2S0S1G9h [KDuetwa\ BSsoufMt`wia]rqeJ ]LoLoCr.q U zAMlels crRimg\hTtWsZ dr[eYs_eSrUvqeodN.-1-Verify each identity. 1) sinx + cscx cscx = sin2x + 1 2) cotx - sinx = cosx - sin2x sinx 3) 1 - cscx cscx

  5. 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

  6. Kuta Software - Infinite Algebra 2 Name_____ Double- and Half-Angle Identities Date________________ Period____ Use a double-angle identity to find the exact value of each expression.

  7. Practice with Reciprocal Trig Functions. Date________________ Hour________________. Find the value of the trig function indicated.(You will need to use pythagorean theorem to find the missing side length)

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