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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and see if you can simplify.
Originally Posted by Prove It Try using
and see if you can simplify. yeah done that but bcoming out of my control to solve it
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