unit circle2

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9 Terms

1
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y

sin(θ)=

2
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ha

ha

3
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x

sin(θ)=

4
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y/x

tan(θ)=

5
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1

to determine if a point is on the unit circle: x²+y²=

6
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reference angle

add 2π or 360 degrees as many times to find the

7
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csc(theta)=

1/sin(θ)

8
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sec(theta)=

1/cos(θ)

9
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cot(tangent)=

1/tan(θ)