Solve for x sin(2x)=2sin(x)cos(x)

Math
Since is on the right side of the equation, switch the sides so it is on the left side of the equation.
Move to the left side of the equation by subtracting it from both sides.
Simplify each term.
Tap for more steps…
Apply the sine doubleangle identity.
Multiply by .
Remove parentheses around .
Subtract from .
Move to the left side of the equation by subtracting it from both sides.
Simplify each term.
Tap for more steps…
Apply the sine doubleangle identity.
Multiply by .
Remove parentheses around .
Subtract from .
Apply the sine doubleangle identity.
Move all terms containing to the left side of the equation.
Tap for more steps…
Subtract from both sides of the equation.
Subtract from .
Since , the equation will always be true for any value of .
All real numbers
Solve for x sin(2x)=2sin(x)cos(x)

Do you need help with math?

Try our mobile app

Our app allows students to get instant step-by-step solutions to all kinds of math troubles.

Our MATH EXPERTS

JackHudson

Charlie Trom

Lucy Evel

Scroll to top