9514 1404 393
Answer:
Explanation:
The inverse function of fun(x) is indicated using a -1 exponent. That is ...
The usual trig identities apply:
sin²(x) +cos²(x) = 1
sec²(x) -tan²(x) = 1
sin(x) = 1/csc(x)
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So, the expression simplifies to ...
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