3 years ago

Find cos θ if sin θ = -12/13 and tan θ > 0

Mathematics

1 answer:

Anarel [89]3 years ago

6 0

SinФ=-12/13
cosФ=Base/hypotenus
(hy)^2-(perpendicular)^2=(base)^2=13^2-12^2=5
cosФ=-5/13

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