(sin A + cos A)²+(sinA-cosA)²=
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it is like ,
( a+ b)^2 + (a -b)^2
a^2 + 2ab + b^2 + a^2 -2ab + b^2
cancelled = 2ab - 2ab
2 a^2 + 2b^2
but,
here,
we have value of
(SIN A + COSA) =1
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1
Answer:
2 is the answer
Step-by-step explanation:
answer is as shown above in the picture...
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