Sin2theta +cos2theta=1 prove
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In a right angled triangle,
P² + B² = H²
sinФ = P/H
cosФ = B/H
sin²Ф + cos²Ф = P²/H² + B²/H² = (P²+B²)/H² = H²/H² =1
Hence proved
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siyaprajapati30:
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