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1.) What is the relationship between sine & cosine? a) sinθ=cos(90−θ) b) sinθ=cos(180−θ) c) sin90=cos(90−θ) d) sinθ=cos(30−θ)
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1.) What is the relationship between sine & cosine?

a) sinθ=cos(90−θ)
b) sinθ=cos(180−θ)
c) sin90=cos(90−θ)
d) sinθ=cos(30−θ)

User Christian Moen
by
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1 Answer

4 votes
it's A ...cos (90- theta) = sin theta

so A
User Kong Ken
by
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