Question

cos(-15π÷4) what i
s answer
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Answer 1

Answer:

1

Step-by-step explanation:

We have to find the value of cot (-15π/4)

So,

We know that the value of cotx repeats after an interval of 2π.

So 4π = 2 × 2π

Now,

So, the value of cot (-15π/4) is 1.

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