Math, asked by insfiringme, 3 days ago

please solve step by step

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Answered by priyaanil2104

0

Step-by-step explanation:

Let

L.H.S= (1+cotA+tanA)(sinA−cosA)

=(1+sinAcosA+cosAsinA)(sinA−cosA)

=(sinAcosAsinAcosA+cos2A+sin2A)(sinA−cosA)

=(1+sinAcosA)(sinAcosAsinA−cosA)

Now,

R.H.S=sinAtanA−cotAcosA

=sinAcosAsinA−sinAcosAcosA

=cosAsin2A−sinAcos2A

=sinAcosA

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