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Trigonometry Examples
Step-by-Step Examples
Trigonometry
Radian Measure and Circular Functions
Find the Reference Angle
240
°
240
°
Step 1
Since the
angle
180
°
180
°
is in the third
quadrant
, subtract
180
°
180
°
from
240
°
240
°
.
240
°
−
180
°
240
°
-
180
°
Step 2
Subtract
180
180
from
240
240
.
60
°
60
°
Enter YOUR Problem
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⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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