Question

root 1-cosA/root 1+cos 1= sin A/1+cos A (prove)

Answer 1

Answer:

proved

Step-by-step explanation:

LHS = root 1-cosA/root 1+cosA = √ 1-cosA/√ 1+cosA

=   √( 1-cosA)²/√ 1+cosA)√( 1-cosA) =  1 -cosA ÷ sinA = sinA÷1+csA = RHS