Angles Precalculus

Find the exact value the following trigonometric function; sin 120°

• √3
• √3/2
• 1/√3
• 1

Find the exact value the following trigonometric function; cos 210°

• √3
• 1/√3
• √3/2
• −√3/2

Find the exact value the following trigonometric function; tan 330°

• √3
• −√3
• 1/√3
• −1/√3

Find the exact value the following trigonometric function; sin 315°

• 1/√2
• -1/√2
• 1/2
• -1/2

Find the exact value the following trigonometric function; cos 45°

• 1/√2
• −1/√2
• 1/2
• −1/2

Find the exact value the following trigonometric function; tan 240°

• 1/√3
• -1/√3
• √3
• -√3

Find the exact value the following trigonometric function; sin 270°

• 1
• -1
• 0
• Undefined

Find the exact value the following trigonometric function; tan 90°

• 1
• -1
• 0
• Undefined

Find the exact value the following trigonometric function; cos 180°

• 1
• -1
• 0
• Undefined

Find the exact value the following trigonometric function; tan 360°

• 1
• -1
• 0
• Undefined