Trigonometry Examples

Simplify 4sin(60)-3tan(135)
Step 1
The exact value of is .
Step 2
Cancel the common factor of .
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Step 2.1
Factor out of .
Step 2.2
Cancel the common factor.
Step 2.3
Rewrite the expression.
Step 3
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because tangent is negative in the second quadrant.
Step 4
The exact value of is .
Step 5
Multiply .
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Step 5.1
Multiply by .
Step 5.2
Multiply by .
Step 6
The result can be shown in multiple forms.
Exact Form:
Decimal Form: