Question: (2 points) Complete the identity using the triangle method (a) cos(tan- (x)) = (b) sin(sec-1 (x)) = (The inverse functions are obtained by restricting tan

(2 points) Complete the identity using the triangle method (a) cos(tan- (x)) = (b) sin(sec-1 (x)) = (The inverse functions are obtained by restricting tan to the domain -/2 /2, and sec to the domain [0, x/2) U (x/2, x], and inverting them on these restricted domains. Your answers should work for every x where the inverse functions are defined. Take care with signs!)

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