plz solve................
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0
Answer:
the product is fu;ll
Step-by-step explanation:
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Answer:
1-2sinx.cosx
Step-by-step explanation:
(a-b)²=a²-2ab+b²
(sinx.cosx)²= (sinx)²-2(sinx)(cosx)+(cosx)²
= sin²x-2sinx.cosx+cos²x
= sin²x+cos²x-2sinx.cosx
= sin²x+cos²x=1
= 1-2sinx.cosx
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