mwalker42 mwalker42

09-02-2021
Mathematics

contestada

If f(0) = 2 sin 0 - cos 20, find f(pi/6)

Respuesta :

GeorgePP GeorgePP

09-02-2021

Answer: 1/2

Step-by-step explanation:

f(Ф) = 2sin(Ф) - cos(2Ф)

f(pi/6) = 2sin(pi/6) - cos(pi/3)

Use the pi circle or a calculator

f(pi/6) = 2(1/2) - 1/2 = 1/2

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