Question

pls tell answer
pls tell correct answer​

Answer 1

Answer:

D is the correct answer

Step-by-step explanation:

√sin x = - COS X

sinx= cos²x = 1 - sin²x

sin²x+ sinx-1=0

Using quadratic formula, we get

sin x =-1+√1+4/2

sin x= √5-1/2

(the other value is unacceptable as it is less than -1.)