WHEELER PRE-CALCULUS &ACCELERATED PRE-CALCULUS - …



Pre-Calculus, Unit 4: Trig IdentitiesName: ________________________SIMPLIFYING and VERIFYING Trig Identities WSDate: _____________What does the cofunction identity sinπ2-θ=cosθ tell you about the graphs of y=sinx and y=cosx?Find the values of the other five trigonometric functions of .2.3.4.Simplify the expression.5.sinxcotx6.sin-θcos-θ7.cscθsinθ+cot2θ8.cosθ1+tan2θ9.1+tan2π2-x10.cosπ2-xcscx11.cosπ2-θcscθ+cos2θ12.sinπ2-θsecθ13.cos2xcot2x14.secxsinx+cosπ2-x1+secx15.csc2x-cot2xsin-xcotx16.cos2x tan2-x-1cos2xVerify the identity.17.sinxcscx=118.tanθcscθcosθ=119.20. ................
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