Question

Find all radian solutions:
sinx + 1 = cosx

Answer 1

sin^2 x + cos^2 x = 1

sin x = sqrt (1-cos^2 x)

Answer 2

sqrt (1-cos^2 x) = (cosx - 1)

squaring both sides

1- cos^2 x = cos^2 x - 2cosx + 1

2 cos^2 x -2cosx = 0

hope nw u can solve