I just started A-level maths and I couldn’t able to do this maths question. Prove the identity 1/(cosecx-1) - 1/(cosecx+1) = 2(tan^2)x Can you please help me out if you can thanks.
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now simplify and complete!! Note:
Last edited by harish21; October 8th 2010 at 01:11 PM.
Originally Posted by harish21 now simplify and complete!! Note: ok this is what i have after simplifying. 2/(cosecx-1) i am not sure if i am correct or not and What do i do next?
NOOOO.... Remember that: BECAUSE Hope this helps..
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