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irinina [24]
3 years ago
13

Please Help Me please

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

the 3 one

Step-by-step explanation:

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If sin phi sin theta = 0.2 and sin phi cos theta = -0.3 and sin phi > 0 what is theta ? Repeat for sin phi < 0.
Rina8888 [55]

Answer:

θ = -33.69°

Step-by-step explanation:

For Φ>0 and Φ<0  (in general Φ≠nπ  where n is an integer), sin(Φ) ≠ 0

Dividing both equations:

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Therefore:

arctan(θ) = -2/3

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The answer does not depend on the sign of Φ, in fact we just need that the sine does not become zero, which occurs when Φ is equal to an integer times π (radians) or 180 (degrees)

Have a nice day!

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jok3333 [9.3K]

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Answer:

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