Given csc(theta), find cos(theta)

Question: Solve the trigonometry problem
If cscΘ=3, Find cosΘ.I am lost on what trig function to use and how would it be used since it is 3? Thank you!

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Answered By:

Andrew D.
Bachelor's degree in mathematics with tutoring experience

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Written Explanation:

I made the comment about lengths not being negative, but in this case, we can consider that side to be negative since we are dealing with periodic functions over an indeterminate domain. So, include that plus or minus in the answer.

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