Question:
Prove the cofunction identity using the Addition and
Last updated: 10/17/2023
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Prove the cofunction identity using the Addition and Subtraction Formulas tan u cot u Since tan is undefined use a Reciprocal Identity and then use the Substitution Formulas to sim tan 7 u 11 sin COS EN cos u cos sin u cos cos u sin sin u sin u cos u o sin u 0 cos u 1 sin u