What is the principal solution of sin x+√sin x=0 ?
x=−π2
x=0
x=π2
x=π
sin x+√sin x=1Let √sin x=t∴t2+t=0t2=−tt=0 or t=−1√sin x=0 or √sin x=−1√sin x=−1 − not possiblesin x=0x=0