SOLUTION: whats a simple way to solve this trig expression without using a calculator to get the exact value? the answer in my book is -square root of 3. tan[cos^-1(-square root of 2)]

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Question 597029: whats a simple way to solve this trig expression without using a calculator to get the exact value? the answer in my book is -square root of 3.
tan[cos^-1(-square root of 2)]

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
whats a simple way to solve this trig expression without using a calculator to get the exact value? the answer in my book is -square root of 3.
tan[cos^-1(-square root of 2)]
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This problem is not stated correctly, because the number value (x) of an inverse cosine function is -1 ≤ x ≤ 1. (x) is given as -√2 which is <-1.