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Grade: 12th pass
        
Cot@-Cot#/Cos@-Cos#=sin@-sin#/tan@-tan#
how to prove it please tell me the answer
one year ago

Answers : (1)

Arun
22985 Points
							
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)
one year ago
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