Prove that
`(sinθ+cosθ)^2 + (sinθ-cosθ)^2 = 2`

Prove that : (sinA+cosA)^(2)+(sinA-cosA)^(2)=2

Prove that (1)/(2) =1

The value of ((sinθ -cosθ )(1 + tanθ + cotθ ))/(1+sinθ cosθ ) = ? ((sinθ -cosθ )(1 + tanθ + cotθ ))/(1+sinθ cosθ ) का मान है :

prove that 2^(2)=4

Prove that- sin2x(tanx+cotx)=2

If 5sin θ – 4cos θ = 0, 0^circ lt θ lt 90^circ , then the value of (5sinθ− 2cosθ)/ (5 sin θ + 3cosθ) is: यदि 5sin θ – 4cos θ = 0, 0^circ lt θ lt 90^circ है, तो (5sinθ− 2cosθ)/ (5 sin θ + 3cosθ) का मान है:

Prove that (sin2A)/(1+cos2A)=tan A

Prove that b^(2) cos 2 A - a^(2) cos 2B = b^(2) -a^(2)

Prove that nP_2= ^nP_(n-2)

Prove that : sin^(2)Acos^(2)B-cos^(2)Asin^(2)B=sin^(2)A-sin^(2)B