Combine sin(120)-cos(60)

Math
sin(120)-cos(60)
Simplify each term.
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Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
sin(60)-cos(60)
The exact value of sin(60) is 32.
32-cos(60)
The exact value of cos(60) is 12.
32-12
32-12
Combine the numerators over the common denominator.
3-12
The result can be shown in multiple forms.
Exact Form:
3-12
Decimal Form:
0.36602540…
Combine sin(120)-cos(60)

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