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Questions and Answers
What is sin 30° (π/6)?
What is sin 30° (π/6)?
1/2
What is sin 45° (π/4)?
What is sin 45° (π/4)?
√2/2
What is sin 60° (π/3)?
What is sin 60° (π/3)?
√3/2
What is cos 30° (π/6)?
What is cos 30° (π/6)?
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What is cos 45° (π/4)?
What is cos 45° (π/4)?
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What is cos 60° (π/3)?
What is cos 60° (π/3)?
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What is tan 30° (π/6)?
What is tan 30° (π/6)?
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What is tan 45° (π/4)?
What is tan 45° (π/4)?
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What is tan 60° (π/3)?
What is tan 60° (π/3)?
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Study Notes
Sine Values
- sin 30° (π/6) equals 1/2
- sin 45° (π/4) equals √2/2
- sin 60° (π/3) equals √3/2
Cosine Values
- cos 30° (π/6) equals √3/2
- cos 45° (π/4) equals √2/2
- cos 60° (π/3) equals 1/2
Tangent Values
- tan 30° (π/6) equals √3/3
- tan 45° (π/4) equals 1
- tan 60° (π/3) equals √3
General Trigonometric Facts
- Sine and cosine values are derived from the position of angles in the unit circle.
- Each angle has a corresponding value for sine, cosine, and tangent in radians.
- Values for these trigonometric functions are commonly used in geometry and calculus.
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