Question: Simplify the following so that we don't have a composition of two functions. 1. sin(arccos( ?)) 2. tan(arcsec(27,)) 3. cos(2 arcsin(x)) (Use a half-angle formula

Simplify the following so that we don't have a composition of two functions. 1. sin(arccos( ?)) 2. tan(arcsec(27,)) 3. cos(2 arcsin(x)) (Use a half-angle formula first. ) 4. sinh(cosh (x)) (- Use the hyperbolic identity cosh (t) - sinh(t) = 1 , and let t = cosh (x) .) 5. cosh (2 sinh (x)) ( First use a half hyperbolic-angle formula.)

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