Intro to Trigonometry

Given the point (3, 4), what is sine of the angle formed by the positive x-axis and the line connecting the point and the origin?

• 3/4

• 4/3

• 4/5

• 3/5

Tags

CCSS.HSF.TF.A.2

Given the point (3, 4), what is cosine of the angle formed by the positive x-axis and the line connecting the point and the origin?

• 3/4

• 5/4

• 3/5

• 4/5

Tags

CCSS.HSF.TF.B.7

Given the point (3, 4), what is tangent of the angle formed by the positive x-axis and the line connecting the point and the origin?

• 3/4

• 4/3

• 3/5

• 4/5

Tags

CCSS.HSF.TF.A.2

Given the point (-12, 8), what is tangent of the angle formed by the positive x-axis and the line connecting the point and the origin?

• -12/8

• -8/12

• -12/14.4

• 8/14.4

Given the point (-12, 8), what is sine of the angle formed by the positive x-axis and the line connecting the point and the origin?

• -12/8

• -8/12

• -12/14.4

• 8/14.4

Given the point (-12, 8), what is cosine of the angle formed by the positive x-axis and the line connecting the point and the origin?

• -12/8

• -8/12

• -12/14.4

• 8/14.4

In order for tangent to equal 0.5, which of the following must be true?

• x is half of y

• y is half of x

• y is double x

In order of cosine to equal 1/2, which of the following must be true?

• r is twice y

• r is twice x

• x is twice y

• y is twice x

Which trig function would you use with this diagram?

• ^Sin
• ^Cos
• ^Tan
• ^Wha??

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

What is the correct ratio?

• sin 40 = w/28
• cos 40 = w/28
• tan 40 = w/28
• sin 40 = 28/w

Tags

CCSS.HSG.SRT.C.6