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Trigonometry Examples
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Trigonometry
Evaluate v((7.798)^2+(-4.455)^2)
v
(
(
7.798
)
2
+
(
−
4.455
)
2
)
v
(
(
7.798
)
2
+
(
-
4.455
)
2
)
Step 1
Simplify each
term
.
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Step 1.1
Raise
7.798
7.798
to the
power
of
2
2
.
v
(
60.808804
+
(
−
4.455
)
2
)
v
(
60.808804
+
(
-
4.455
)
2
)
Step 1.2
Raise
−
4.455
-
4.455
to the
power
of
2
2
.
v
(
60.808804
+
19.847025
)
v
(
60.808804
+
19.847025
)
v
(
60.808804
+
19.847025
)
v
(
60.808804
+
19.847025
)
Step 2
Simplify the
expression
.
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Step 2.1
Add
60.808804
60.808804
and
19.847025
19.847025
.
v
⋅
80.655829
v
⋅
80.655829
Step 2.2
Move
80.655829
80.655829
to the left of
v
v
.
80.655829
v
80.655829
v
80.655829
v
80.655829
v
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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