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lord [1]
3 years ago
8

HELP PLEASEEEEEEEE ASAPP

Mathematics
2 answers:
seraphim [82]3 years ago
4 0

Answer:

A is correct

Step-by-step explanation:

saveliy_v [14]3 years ago
4 0

Answer: A

Step-by-step explanation:

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3 0
3 years ago
What is the value of x? sin(x 37)°=cos(2x 8)° enter your answer in the box. x =
Assoli18 [71]
Applying the trig formula: sin a = cos (90 - a)
cos (2x + 8) = sin (x + 37) = cos (90 - x - 37) = cos (53 - x)
Property of the cosine function -->
(
2
x
+
8
)
=
±
(
53
−
x
)

a. 2x + 8 = 53 - x
3x = 45
x
=
15
∘

b. 2x + 8 = - 53 + x
x
=
−
61
∘

For general answers, add
k
360
∘

Check by calculator.
x = 15 --> sin (x + 37) = sin 52 = 0.788
cos (2x + 8) = cos (38) = 0.788. Proved
x = - 61 --> sin (x + 37) = sin (- 24) = - sin 24 = - 0.407
cos (2x + 8) = cos (-122 + 8) = cos (- 114) = - 0.407. Proved
3 0
3 years ago
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