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07-09-2020
Mathematics

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Use the trigonometric function values of the quadrantal angles to evaluate. 4 cot 270 + 2 sin 90

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MathPhys MathPhys

07-09-2020

Answer:

2

Step-by-step explanation:

4 cot 270° + 2 sin 90°

4 (cos 270°) / (sin 270°) + 2 sin 90°

4 (0) / (-1) + 2 (1)

2

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