SOLUTION: (1+cosx)(cscx-cotx)
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Question 58222
:
(1+cosx)(cscx-cotx)
Answer by
stanbon(57219)
(
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(1+cosx)(cscx-cotx)
=(1+cosx)(1/sins - cosx/sinx)
=(1+cosx)(1-cosx)/sinx
=(1-cos^2x)/sinx
=sin^2x /sinx
=sinx
Cheers,
Stan H.
(