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SinA - cos A

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SinA - cos A

Posted by Jaibir Singh 7 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

बेबि बीच 7 years, 3 months ago

As we know, sin^2 A + cos^2 A = 1 ................................................................. Which could be written as, (Sin A - cos A )^2 + 2 sinA cos A = 1 (SinA- cos A)^2 = 1 - 2sinA cosA SinA - cos A = root ( 1- 2sinA cosA)

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CBSE > Class 10 > Mathematics