Question

prove that cosecA (1-cosA) (cosecA+cotA)=1​

Answer 1

Answer:

LHS=RHS

Step-by-step explanation:

LHS=1/sinA(1-cosA)*(1/sinA+cosA /sinA)

=(1/sinA-cosA/sinA)*(1+cosA)/sinA

=(1-cosA)/sinA*(1+cosA)/sinA

=1-(cos A*cosA)/(sinA*sinA)

=(sinA*sinA)/(sinA*sinA)

=1=RHS