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Cot@-Cot#/Cos@-Cos#=sin@-sin#/tan@-tan# how to prove it please tell me the answer

Cot@-Cot#/Cos@-Cos#=sin@-sin#/tan@-tan#
how to prove it please tell me the answer

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Dear student
 
LHS
(cos @ /sin@  - cos#/ sin#)/ cos@ - cos@
= Sin(#-@)/ sin@* sin# (cos@ - cos#)
 
Now
RHS
=( Sin @ - sin#)cos@*cos# / sin(@-#)
Now
I have given you a hint, please solve it.
 
If you are not able, please feel free to ask.
 
Regards
Arun (askIITians forum expert)

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