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SecA+tanA=x then prove sinA =x sqare …

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SecA+tanA=x then prove sinA =x sqare -1divided by x sqare+1

Posted by Anshuman Sharma 7 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sri Kumar 7 years, 2 months ago

SecA+tanA=X; secA-tanA=1/x adding we get 2secA=x+1/x>>>>secA=x square+1 divide 2 x that is cosA=2x/x square+1 i.e sinA=√1- cosA^

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CBSE > Class 10 > Mathematics