Question

If sinA + cosA = x and tanA + cotA = y, then prove that



−



=

?​

Answer 1

Step-by-step explanation:

SinA+CosA= X

(sinA +cosA)² = x² = 1+2sinAcosA

tanA+cotA=y

1/sinAcosA = y

or

sinAcosA = 1/y

1+2sinAcosA = x²

1+2(1/y) = x².......

hence proved.....

hope it will help u ✌️