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Find cos(2θ) if tan(θ) = -3/4 and 90 < θ < 180

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asked Aug 26, 2022 121k views

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Find cos(2θ) if tan(θ) = -3/4 and 90 < θ < 180

Mathematics
high-school

ElFik asked

by ElFik

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1 Answer

9 votes

Answer:

Explanation:

Ian Walter answered Sep 1, 2022

by Ian Walter

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Find cos(2θ) if tan(θ) = -3/4 and 90 < θ < 180

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