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
…
Sure, you can either simplify it further: 1/2 and you could also multiply by 2: 4/8
Answer:
Step-by-step explanation:
Answer:
<u>$86.40</u>
Step-by-step explanation:
80 × .08 = 6.40
80 + 6.40 = $86.40
The heartbeat per minute is 137 i used calculator
