Trigonometry Examples

Solve for ? sin(x) = square root of 1-cos(x)^2
Step 1
Simplify .
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Step 1.1
Apply pythagorean identity.
Step 1.2
Pull terms out from under the radical, assuming positive real numbers.
Step 2
For the two functions to be equal, the arguments of each must be equal.
Step 3
Move all terms containing to the left side of the equation.
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Step 3.1
Subtract from both sides of the equation.
Step 3.2
Subtract from .
Step 4
Since , the equation will always be true for any value of .
All real numbers
Step 5
The result can be shown in multiple forms.
All real numbers
Interval Notation: