1.

Cos A cot A1 - sin A= 1 + cosec A.​

Answer»

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



Discussion

No Comment Found

Related InterviewSolutions