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Feliz [49]
2 years ago
9

Fatima wants to find the value of sine theta, given cotangent theta = four-sevenths. which identity would be best for fatima to

use? cosine theta = startfraction 1 over secant theta endfraction sine squared theta cosine squared theta = 1 cosecant theta = startfraction r over y endfraction
Mathematics
1 answer:
horsena [70]2 years ago
6 0

Answer:

Step-by-step explanation:

From the right triangle with cot theta = 4/7  = (adjacent side / opposite side), Fatima can find the length of the hypotenuse using Pythagoras. This gives  a value of 8.0823. So cos theta = 4 / 8.0823 = 0,49614,

Then she could find the values of sin theta  using

sine squared theta + cos squared theta = 1.

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