I have no idea how to do this question.. Please Simplify: cos^2(cos^(-1)(6/x)) Please see the attached for info Thanks!
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Originally Posted by gearshifter I have no idea how to do this question.. Please Simplify: cos^2(cos^(-1)(6/x)) Please see the attached for info Thanks! Read this thread for a way of doing questions like this: http://www.mathhelpforum.com/math-he...xpression.html
Originally Posted by gearshifter I have no idea how to do this question.. Please Simplify: cos^2(cos^(-1)(6/x)) Please see the attached for info Thanks! That is the same as . IMPORTANT: the "-1" on the cos mean "inverse function" not reciprocal! You should know that .
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