Trig Ratios (sin, cos, tan)

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

If you are given 2 of the sides to an obtuse triangle, which trig function should you use to find the other side?

• sine
• cosine
• tangent
• You can only use trig functions on right triangles.

Tags

CCSS.HSG.SRT.C.6

• 24/32
• 32/24
• 32/40
• 24/40

Tags

CCSS.HSG.SRT.C.6

• 27/36
• 27/45
• 45/36
• 45/27

Tags

CCSS.HSG.SRT.C.6

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

Tags

CCSS.HSG.SRT.C.6

What is the ratio for Sine?

• $\frac{hyp}{opp}$

• $\frac{opp}{hyp}$

• $\frac{opp}{adj}$

• $\frac{adj}{opp}$

Tags

CCSS.HSG.SRT.C.6

What is the ratio for Tangent

• $\frac{opp}{hyp}$

• $\frac{adj}{opp}$

• $\frac{opp}{adj}$

• $\frac{hyp}{opp}$

Tags

CCSS.HSG.SRT.C.6

Which side is adjacent to angle x?

• 1
• 2
• 3

Tags

CCSS.HSG.SRT.C.6

In ∆ABC, where ∠C is a right angle,

cos A= √21 ⁄ 5 . What is sin B?

• √21 ⁄ 5

• √21 ⁄ 2

• 2 ⁄ 5

• 5 ⁄ √21

Tags

CCSS.HSG.SRT.C.7

Which expression is always equivalent to sin x when 0°< x < 90°?

• cos(90°−x)

• cos(45°−x)

• cos(2x)

• cos x

Tags

CCSS.HSF.TF.C.9