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OpenStudy (anonymous):
Prove: tan^2 θ•cos^2 θ + cos^2 θ = 1. You must show all work. Can somebody please help me
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OpenStudy (anonymous):
Hint- tan(theta) = sin(theta)/ cos(theta)
OpenStudy (anonymous):
But there is not sine in this equation
OpenStudy (marissalovescats):
Yes but then the cosine will cancel I'll show you
OpenStudy (anonymous):
Thanks
OpenStudy (marissalovescats):
If tan = sin/cos then |dw:1402766394691:dw|
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