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(1-sinx)(1+cscx)=1-sinx+cscx-sinxcscx?

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please prove this
asked May 12, 2014 in TRIGONOMETRY by anonymous
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The trigonometric equation is image.

The right hand side identity  is image.

image                      image

image

image

image

image                                    image      

image

image

= left hand side identity.

answered May 12, 2014 by lilly Expert
Thank you
commented May 12, 2014 by anonymous

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