Find exact solutions on the interval [0,2pi)

sinx+sin2x=0

NEED HELP ASAP!!

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?