Question

1-Sinq/sinq+1+Sinq/sinq

Answer 1

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ßirju

ßirju

25.03.2018

Math

Primary School

+50 pts

Answered

SinQ-cosQ+1/sinQ+cosQ-1=1/secQ-tanQ

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Ayush1975

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mysticd

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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