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14 May, 16:21

How to prove that sin theta + cos theta greater than one?

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  1. 14 May, 16:35
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    (sin (θ) + cos (θ)) 2=1+2sin (θ) cos (θ) ≥0

    so,

    (sin (θ)) + cos (θ)) 2 (sin (θ) + cos (θ)) 2>1≥1
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