sin A /1-cos A + tan A / 1+cos A = cot A + cosec A sec A
Answers
Answered by
2
=SinA(1+CosA)+TanA(1+CosA)/(1-cosA)1+cosA)
=sinA+sinAcosA+tanA-tanAcosA/1-cos^2A
=sinA+sinAcosA+tanA-sinA/sin^2A
=sinA(cosA+1/cosA)/sin^2A
=cos^2A+1/cosA/sinA
=cos^2A+1/sinAcosA
=cos^2A/sinAcosA+1/sinAcosA
=cosA/sinA+1/sinAcosA
=cotA+cosecAsecA=RHS(Proved).
Similar questions