Answer:
0.38268343
Step-by-step explanation:
cos(
67.5
)
Rewrite
67.5
as an angle where the values of the six trigonometric functions are known divided by 2
.
cos
(
135\
2)
Apply the cosine half-angle identity.
±
√
1
+
cos
(
135
)
2
Change the
±
to
+
because cosine is positive in the first quadrant.
√
1
+
cos
(
135
)
2
Simplify
√
1
+
cos
(
135
)
2
√
2
−
√
2
2
The result can be shown in multiple forms.
Exact Form:
√
2
−
√
2
2
Decimal Form:
0.38268343
…
The answer is 150 because 30+150=180
Answer:
-14/5
Step-by-step explanation:
-11 - 3= -14 and the denominator stays the same.
Answer:
V = 1/3 * b * h...divide both sides by 1/3h
V / (1/3h) = b
3V/h = b
Step-by-step explanation: