prove that:
please help me to solve this question tomorrow is my exam .
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I think, RHS should be √{(1-cos@)/(1+cos@)}
....Note....
cos(2@) = 1-2sin^2(@) = 2cos^2(@) - 1
sin(2@) = 2 sin(@) cos(@)
....Note....
cos(2@) = 1-2sin^2(@) = 2cos^2(@) - 1
sin(2@) = 2 sin(@) cos(@)
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can you send a pic of it how to solve
check your question again... i am getting something else.
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