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" 1) "cos^(2)theta-sin theta=(1)/(4)...

" 1) "cos^(2)theta-sin theta=(1)/(4)

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cos^(2)theta-sin theta-(1)/(4)=0

cos^(2)theta-sin theta-(1)/(4)=0

If cos^(2)theta-sin theta=(1)/(4), then theta=

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