Trigonometry Examples

Solve for x -6arcsin(2x)=2pi
Step 1
Divide each term in by and simplify.
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Step 1.1
Divide each term in by .
Step 1.2
Simplify the left side.
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Step 1.2.1
Cancel the common factor of .
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Step 1.2.1.1
Cancel the common factor.
Step 1.2.1.2
Divide by .
Step 1.3
Simplify the right side.
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Step 1.3.1
Cancel the common factor of and .
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Step 1.3.1.1
Factor out of .
Step 1.3.1.2
Cancel the common factors.
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Step 1.3.1.2.1
Factor out of .
Step 1.3.1.2.2
Cancel the common factor.
Step 1.3.1.2.3
Rewrite the expression.
Step 1.3.2
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.
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Step 3.1
Simplify .
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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
Divide each term in by and simplify.
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Step 4.1
Divide each term in by .
Step 4.2
Simplify the left side.
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Step 4.2.1
Cancel the common factor of .
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Step 4.2.1.1
Cancel the common factor.
Step 4.2.1.2
Divide by .
Step 4.3
Simplify the right side.
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Step 4.3.1
Multiply the numerator by the reciprocal of the denominator.
Step 4.3.2
Multiply .
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Step 4.3.2.1
Multiply by .
Step 4.3.2.2
Multiply by .
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: