1-Sinq/sinq+1+Sinq/sinq
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ßirju
ßirju
25.03.2018
Math
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SinQ-cosQ+1/sinQ+cosQ-1=1/secQ-tanQ
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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 */
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=
=
=
After cancellation, we get
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Multiply numerator and denominator by (secQ-tanQ), we get
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=
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= RHS
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