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On a unit circle, 90=pi/2radians. Identify the terminal point and sin 0.A. Terminal point: (1, 0); sin 0 = 1B. Terminal point: (1, 0); sin 0 = 0C. Terminal point: (0, 1); sin 0 = 0D. Terminal point: (0,1); sin 0 = 1

On A Unit Circle 90pi2radians Identify The Terminal Point And Sin 0A Terminal Point 1 0 Sin 0 1B Terminal Point 1 0 Sin 0 0C Terminal Point 0 1 Sin 0 0D Termina class=

Answer :

We can see that

[tex]\theta=\frac{\pi}{2}[/tex]

then,

[tex]\sin \theta=\sin \frac{\pi}{2}=1[/tex]

Since an angle in a unit circle start at the horizontal axis and grows counterclockwise:

hence, the terminal point is at (0,1)

The, the answer is the last option D.

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