if sin theta = cos theta , find the value of theta
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45 degree is the value of theta
GeniusRahul:
here, sin theta =cos theta... we have cos theta=sin(90-theta)....therafore, sin theta =sin (90-theta) ....sin will cancel. then we get, theta =90-theta.... theta +theta =90....2theta =90...so theta =90/2=45
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cos(90-∅)=cos
hence cos thit= 90
hence cos thit= 90
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