how-to-verify-trigonometric-identities-part-i-larson-52-precalculus

# Interactive video lesson plan for: how to verify trigonometric identities part I larson 5.2 precalculus

#### Activity overview:

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This tutorial helps you use the identities to Verify the accuracy of trig equations the reciprocalidentity is used to express secant as cosine then thefunctions are cancelled out then you get one The pythagorean theorem so HCAHTOA and the fundamental identities can be the strategy that can be usedinvolves expressing ratios or fractional trig functions as sine or cosine the other functions are cotangent cosecant tangent when these are expressed in terms of sine and cosine it makes it easy to cancel out common factors Cos = 11 see

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