maths question please solve it friends!
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It is proved.
Step-by-step explanation:
LHS=cos(π+x) cos(-x) /sin(π-x)cos(π/2+x)
=-cosx(cosx) /sinx(-sinx)...............[cos(π+x)=-cosx, cos(-x) =cosx, son(π-x)=sinx and cos(π/2+x) =-sinx]
=-cos²x/-sin²x
=cot²x
=RHS
HENCE PROVED.
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