In order to verify the equation sin (θ +π/4) =-cosθ. What value would you need to know besides sin (π/4)? Group of answer choices a cos (π/4) b sin (2π/3) c tan (2π/3) d cos ((-π)/3)

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asked Aug 13, 2022 219k views

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In order to verify the equation sin (θ +π/4) =-cosθ. What value would you need to know besides sin (π/4)?

Group of answer choices

a cos (π/4)

b sin (2π/3)

c tan (2π/3)

d cos ((-π)/3)

Mathematics
high-school

Damian Busz asked

by Damian Busz

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1 Answer

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Answer: A cos (π/4)

I just took a test with this question and got it right

Seb Bizeul answered Aug 20, 2022

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