Question

find the value of cos theta + sin theta in copy​

Answer 1

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$(cosθ+sinθ) \: </p><p>2</p><p> \: + \: \: \: (cosθ−sinθ) \: </p><p> \: 2</p><p> </p><p>= \: cos \: </p><p>2 \: </p><p> θ+ \: sin \: </p><p>2 \: </p><p> θ \: + \: 2 \: sin \: θ \: cos \: θ \: + \: cos \: </p><p> \: 2 \: </p><p> θ \: + \: sin \: </p><p> \: 2 \: </p><p> θ \: − \: 2 \: sin \: θ \: cos \: θ \: </p><p>= \: 2 \: (cos \: </p><p>2 \: </p><p> \: θ \: + \: sin </p><p> \: 2 \: </p><p> θ \: ) \: </p><p>= \: 2 \: (1) \: = \: 2 \:$

and look at the pic

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Answer 2

Answer:

Hi dude how are you...

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