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CBSE Class 10 Answered

If SIN A + COS A
Asked by sonali221994 | 25 Jan, 2010, 06:09: PM
answered-by-expert Expert Answer

cos(90-A) = sinA

Hence,

sinA + cosA = 2sinA

Divide both sides by, sinA

1 + cotA = 2

cotA = 2 -1

Regards,

Team,

TopperLearning.

Answered by | 25 Jan, 2010, 06:21: PM

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