Question

if sin +cos =pans sin- cos = q,then​

Answer 1

Answer:

Pls write the question properly and clearly.

Step-by-step explanation:

Answer 2

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Answer:

Option C is correct

Step-by-step explanation:

Psq. +Qsq. =sin²+cos²+2sin.cos+sin²+ cos²-2sin.cos

=since, sin²+cos²=1,1+1=2=rhs

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