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(1+cotA- cosecA) (1+tanA +secA) =2

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(1+cotA- cosecA) (1+tanA +secA) =2

Posted by Aarti Kushwah 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Ram Kushwah 6 years, 11 months ago

(1+cosA/sinA-1/sinA)(1+sinA/cosA+2/cosA)

=1/sinAcosA(sinA+cosA-1)(sinA+cosA+1)

=1/sinAcosA{(sinA+cosA)²-1)}

=1/sinAcosA(sin²A+cos²A+2sinAcosA-1)

=2sinAcosA/sinAcosA=2 proved

2Thank You

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CBSE > Class 10 > Mathematics

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Don't post personal information, mobile numbers and other details.
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Posted by Kanika . 1 month ago

CBSE > Class 10 > Mathematics