SOLUTION: Verify the following identity. 1 / siny - 1 / siny + 1 = - 2sec^2 y

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Question 1206025: Verify the following identity.
1 / siny - 1 / siny + 1 = - 2sec^2 y

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
1 / siny - 1 / siny + 1 = - 2sec^2 y=> not quite readable, I assume you have




manipulate left side


=

=

=.......

=

=....use identity

=

==> proven



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