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Ivahew [28]
3 years ago
15

If sin θ = cos 40°, 0<θ<90°, what is θ?

Mathematics
1 answer:
Bezzdna [24]3 years ago
3 0

Answer:

θ =  50 degrees

Step-by-step explanation:

we have  sin θ = cos 40°

 θ = arcsin ( cos 40°)

and make sure θ is less than 90  and greater than 0

 θ = arcsin (0.766044443)

θ =  50 degrees

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