if coty = [sin (z + x)]/[cos(z-x) - cos (z+x)] then prove that cotx, coty, cotz, are AP. my incomplete of soln- just converted cot y = cosy/siny
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Try using and and see if you can simplify.
Originally Posted by Prove It Try using and and see if you can simplify. yeah done that but bcoming out of my control to solve it
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