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For all real numbers x except x=0 and x=1 the function f is defined by f(x -1/x)=1/x . Suppose 0<=t<=pi/2. Given that f(sec^(2)t)=(g(theta))^2 for some trigonometric function g, find g.
Enter your answer as one of the six options: sin, cos, tan, sec, csc, cot

 Apr 20, 2021
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g(x) = cos x.

 Apr 20, 2021

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