exact value of cos5π/6
Answers
Answered by
0
Answer:
cos
(
5
π
6
)
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.
−
cos
(
π
6
)
The exact value of
cos
(
π
6
)
is
√
3
2
.
−
√
3
2
The result can be shown in multiple forms.
Exact Form:
−
√
3
2
Decimal Form:
−
0.86602540
…
Step-by-step explanation:
Answered by
0
Answer:
Step-by-step explanation:
The exact value of cos(π6) cos ( π 6 ) is √32
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