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Trigonometry Examples
Step-by-Step Examples
Trigonometry
Radian Measure and Circular Functions
Find the Reference Angle
330
°
330
°
Step 1
Since the
angle
330
°
330
°
is in the fourth
quadrant
, subtract
330
°
330
°
from
360
°
360
°
.
360
°
-
330
°
360
°
−
330
°
Step 2
Subtract
330
330
from
360
360
.
30
°
30
°
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[
x
2
1
2
√
π
∫
x
d
x
]
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
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