please tell me
please very ugent
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Answer:
sorry bro but tell the qs in detail.....
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1
Answer:
By using identity
(a+b)(a-b)=a²-b²
(✓1)²-(✓sinA)²
1-sin²A
it's the identity that....
1-sin²A= Cos²A
Step-by-step explanation:
so the answer is Cos²A.....
hope it's helpful to you ☺️...
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