Question

4 question's answer plz

Answer 1

RHS
=(SinA + cos A) (tanA + cot A)
=(SinA + cos A)(SinA /cos A+ cos A/sinA)
=(SinA + cos A) (sin2A+cos2A/sinAcosA)
=(SinA + cos A) (1/sinA cosA )
=(SinA + cos A) /sinA cosA
= 1/cosA + 1 / sinA
=secA + tan A
=RHS
Hence proved
Hope it helps

Answer 2

hope this pic helps u...