Algebra Examples

Find the Exact Value sin(pi/2-(3pi)/2)
Step 1
Combine the numerators over the common denominator.
Step 2
Subtract from .
Step 3
Cancel the common factor of and .
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Step 3.1
Factor out of .
Step 3.2
Cancel the common factors.
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Step 3.2.1
Factor out of .
Step 3.2.2
Cancel the common factor.
Step 3.2.3
Rewrite the expression.
Step 3.2.4
Divide by .
Step 4
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
Step 5
The exact value of is .