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Prove that sinQ+1-cosQ/cosQ-1+sinQ=1+sinQ/cosQ

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Prove that sinQ+1-cosQ/cosQ-1+sinQ=1+sinQ/cosQ

Posted by Meraj Alam 5 years ago

CBSE > Class 10 > Mathematics

2 answers

Meraj Alam 5 years ago

Par Aapne isme=ke baad wala kyu nhi Likha h

0Thank You

Gaurav Seth 5 years ago

Solution:

LHS =

Divide numerator and denominator by cosQ , we get

/* By Trigonometric identity:

Sec²Q-tan²Q = 1 */

After cancellation, we get

Multiply numerator and denominator by (secQ-tanQ), we get

= RHS

2Thank You

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