Using a Pythagorean identity we see that the equation sin x + sin^2 x + cos^2 x = 1 is equivalent to the basic equation________

Question

whose solutions are x =________ for any integer k.

Answer 1

sinx + sin²x + cos²x = 1

sinx + 1 = 1

sinx = 0

 

x = kπ for any integer k.