(i) `(1+sinA-CosA)^2+(1-SinA+CosA)^2=4(1-SinA.CosA)`

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

Consider the following 1. (cosA)/(1-tanA)+(sinA)/(1-cotA)=sinA+cosA 2. (1-sinA-cosA)^2=2(1-sinA)(1+cosA) Which of the above is/are identity/identities?

Show : (( Sin^3A + Cos^3A ) /( SinA + CosA ) ) = 1 - SinACosA

Show that : Sin^4A - Cos^4A = ( SinA + CosA ) ( SinA - CosA )

If (2sinA)/(1+sinA+cosA)=k then (1+sinA-cosA)/(1+sinA)=

Find simplified form : ( SinA + CosA )^2 + ( SinA + CosA )^2 =

(1-sinA+cosA)^2 is equal to :

Prove that: 3(sinA-cosA)^(4)+6(sinA+cosA)^(2)+4(sin^(6)A+cos^(6)A)=13

Prove that (CosA)/(1-tanA)-(Sin^(2)A)/(CosA-SinA)=SinA+CosA