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13-05-2020
Mathematics

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15. Use the unit circle to find the value of sin 3x/2 and cos 3x/2

15 Use the unit circle to find the value of sin 3x2 and cos 3x2 class=

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ronhagrid310 ronhagrid310

13-05-2020

Answer:

3xpi/2 is 270 degree counter-clockwise from Ox

That time P(x,y) is (0,-1)

=> x= 0 and y = -1 as you can see in picture.

=> Cos 3pi/2 = x = 0

=> Sin 3pi/2 = y = -1

Step-by-step explanation:

Not so slow.

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