Unit Circle Flashcards

1
Q

What is the value of sin^(-1)(1) on the unit circle?

A

π/2 or 90 degrees

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2
Q

What is the value of cos^(-1)(0) on the unit circle?

A

π/2 or 90 degrees

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3
Q

What is the value of tan^(-1)(1) on the unit circle?

A

π/4 or 45 degrees

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4
Q

What is the value of sin^(-1)(0) on the unit circle?

A

0 or 0 degrees

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5
Q

What is the value of cos^(-1)(-1) on the unit circle?

A

π or 180 degrees

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6
Q

What is the value of tan^(-1)(0) on the unit circle?

A

0 or 0 degrees

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7
Q

What is the value of sin^(-1)(-1) on the unit circle?

A

-π/2 or -90 degrees

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8
Q

What is the value of cos^(-1)(1) on the unit circle?

A

0 or 0 degrees

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9
Q

What is the value of tan^(-1)(√3) on the unit circle?

A

π/3 or 60 degrees

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10
Q

What is the value of sin^(-1)(√2/2) on the unit circle?

A

π/4 or 45 degrees

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11
Q

What is the value of cos^(-1)(√2/2) on the unit circle?

A

π/4 or 45 degrees

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12
Q

What is the value of tan^(-1)(-√3) on the unit circle?

A

-2π/3 or -120 degrees

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13
Q

What is the value of sin^(-1)(-√2/2) on the unit circle?

A

-π/4 or -45 degrees

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14
Q

What is the value of cos^(-1)(-√2/2) on the unit circle?

A

3π/4 or 135 degrees

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15
Q

What is the value of tan^(-1)(-1) on the unit circle?

A

-π/4 or -45 degrees

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16
Q

What is the value of sin^(-1)(√3/2) on the unit circle?

A

π/3 or 60 degrees

17
Q

What is the value of cos^(-1)(-√3/2) on the unit circle?

A

5π/6 or 150 degrees

18
Q

What is the value of tan^(-1)(1/√3) on the unit circle?

A

π/6 or 30 degrees

19
Q

What is the value of sin^(-1)(1/2) on the unit circle?

A

π/6 or 30 degrees

20
Q

What is the value of cos^(-1)(-1/2) on the unit circle?

A

2π/3 or 120 degrees

21
Q

What is the value of tan^(-1)(-1/√3) on the unit circle?

A

-π/6 or -30 degrees

22
Q

What is the value of sin^(-1)(-1/2) on the unit circle?

A

-π/6 or -30 degrees

23
Q

What is the value of cos^(-1)(1/2) on the unit circle?

A

π/3 or 60 degrees

24
Q

What is the value of tan^(-1)(-√3/3) on the unit circle?

A

-π/3 or -60 degrees

25
Q

What is the value of sin^(-1)(1/√2) on the unit circle?

A

π/4 or 45 degrees