if sec^2(1+Sin)(1-Sin)=x ,then find the value of x.
Answers
Answered by
104
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By using,
★ (a + b)(a - b) = a² - b²
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By using,
★ 1 - Sin²A = Cos²A
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By using,
★ = Sec²A
=
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Answered by
24
Solution :
Hence , the required value of x is 1
Identies used :
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