Question

cos A cot A
1 - sin A
= 1 + cosec A.​

Answer 1

Step-by-step explanation:

cosAcotA^1-sinA

cosA x cosA/sinA(1-sinA)

cos2A/sinA(1-sinA)

1-sin2A/sinA(1-sinA)

(1-sinA) (1+sinA)/sinA(1-sinA)

1+sinA/sinA

rhs

1 +cosecA

1+1/sinA

sinA+1/sinA

rhs = lhs