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creativ13 [48]
3 years ago
12

Given that sec theta= -37/12, what is the value of cot theta , for pie/2 < theta< pie?

Mathematics
2 answers:
Triss [41]3 years ago
6 0

The answer is B. Thank me in the future!

always remember ~Positive Vibes~

Agata [3.3K]3 years ago
5 0

Answer:

Option B is correct.

Step-by-step explanation:

Given that

\sec{\theta}=-\frac{37}{12}

and the terminal point \theta is in quadrant 2,i.e \frac{\pi}{2}

we have to find the value of \cot \theta

As in second quadrant \cos{\theta} is negative.

\cos{\theta}=\frac{1}{\sec{\theta}}=\frac{1}{\frac{-37}{12}}=-\frac{12}{37}

As in second quadrant all trigonometric functions are negative except \sin{\theta} \thinspace and\thinspace \csc{\theta}

sin{\theta}=\pm\sqrt{1-\cos^2{\theta}}=\pm\sqrt{1-(-\frac{12}{37})^2)}=\pm\sqrt{1-\frac{144}{1369}}=\pm\sqrt{\frac{1225}{1369}}=\frac{35}{37}

\cot{\theta}=\frac{\cos{\theta}}{\sin{\theta}}=\frac{-\frac{12}{37}}{\frac{35}{37}}=-\frac{12}{35}

Option B is correct.

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