SOLUTION: Find sin(theta)' givin that tan(theta)= -sqrt(7)/2' with sec(theta) >0
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Question 668478: Find sin(theta)' givin that tan(theta)= -sqrt(7)/2' with sec(theta) >0
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
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But secant is the reciprocal of cosine, so if secant is positive, cosine is positive. Tangent is sine over cosine, so if cosine is positive sine is negative when tangent is negative.
Therefore
John
My calculator said it, I believe it, that settles it
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