3 years ago

BRAINLIEST!!! 2. Use the unit circle to find the value of cot (–90°).

Mathematics

1 answer:

Sholpan [36]3 years ago

3 0

Answer:

cot(- 90)° = 0

Step-by-step explanation:

Using the identity

cot x = $\frac{cosx}{sinx}$ , then

cot(- 90)° = $\frac{cos(-90)}{sin(-90)}$ = $\frac{0}{-1}$ = 0

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