Question

How to calculate the value of Cos theta, if the value of theta is given?​

Answer 1

$\huge \underline \green{\sf{ Answer :- }}$

• So if cosθ=ac , then arccos(cosθ)=arccos(ac) or θ=arccos(ac) . To answer your question directly, any trig function can be used to find θ , as long as you have at least 2 side lengths to work with.

Answer 2

Answer:

cos theta( -1,1)

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