Trigonometry Examples

Solve for x -4arcsin(x)=pi
Step 1
Divide each term in by and simplify.
Tap for more steps...
Step 1.1
Divide each term in by .
Step 1.2
Simplify the left side.
Tap for more steps...
Step 1.2.1
Cancel the common factor of .
Tap for more steps...
Step 1.2.1.1
Cancel the common factor.
Step 1.2.1.2
Divide by .
Step 1.3
Simplify the right side.
Tap for more steps...
Step 1.3.1
Move the negative in front of the fraction.
Step 2
Take the inverse arcsine of both sides of the equation to extract from inside the arcsine.
Step 3
Simplify the right side.
Tap for more steps...
Step 3.1
Simplify .
Tap for more steps...
Step 3.1.1
Add full rotations of until the angle is greater than or equal to and less than .
Step 3.1.2
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant.
Step 3.1.3
The exact value of is .
Step 4
The result can be shown in multiple forms.
Exact Form:
Decimal Form: