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If sin theta = -cos theta on the interval (pi/2, pi),...

Calculus
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…find the exact value of sin 2theta -sin^2 theta/2 + cos^2 theta/2.

Jan 28th, 2015

f sin theta = -cos theta on the interval (pi/2, pi),...


sinQ = -cosQ

tanQ=-1

so Q = 3/4 pi or 7pi/4 


Jan 28th, 2015

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