Question

prove that(1+COSA)÷SINA= COTA​

Answer 1

Answer:

L.H.S

1+COSA÷SINA

1+COT/SIN

1+TAN/COS/TAN

1+COS

1-COSEC

WE KNOW THAT COT²=1-COSEC²

1-COSEC²=COT²

THEREFORE 1-COSEC=COT

L.H.S=R.H.S HENCE PROVED