CCSS.Math.Content.HSF.TF.C.8

3. What should "u" equal in this integral?

• cos²x
• cosx
• sinx
• 1-cos²x

Tags

CCSS.Math.Content.HSF.TF.C.8

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

Tags

CCSS.Math.Content.HSF.TF.C.8

Find the trig value rounded to the nearest ten-thousandth.
Tan(42°)

• .9004
• .8123
• 88.6361
• 42

Tags

CCSS.Math.Content.HSF.TF.C.8

What is the sec of 7π/6?

• 2
• √3/2
• 2/√2
• 0

Tags

CCSS.Math.Content.HSF.TF.C.8

Solve the following for tan²θ:
1 + tan²θ = sec²θ 

• tan²θ = sec²θ + 1
• tan²θ = sec²θ - 1
• tanθ = secθ - 1
• tan²θ = opp/adj

Tags

CCSS.Math.Content.HSF.TF.C.8

Rewrite tan(x) in terms of sin(x) and cos(x).

• tan(x) = cos(x)/sin(x)
• tan(x) = 1/cot(x)
• tan(x) = sin(x)/cos(x)
• tan(x) = opp/adj

Tags

CCSS.Math.Content.HSF.TF.C.8

Name the quadrant in which ∠A lies, if cosA > 0, sinA < 0

• 1

• 2

• 3

• 4

Tags

CCSS.Math.Content.HSF.TF.C.8

Sin A

• ²¹/₂₀

• ²¹/₂₉

• ²⁹/₂₁

• ²⁰/₂₉

Tags

CCSS.Math.Content.HSF.TF.C.8

 $\sec^2\ x-1=$  

•  $\cos^2\ x$  

•  $\cot^{2\ }x$  

•  $\sin^{2\ }x$  

•  $\tan^2\ x$  

Tags

CCSS.Math.Content.HSF.TF.C.8

When verifying the identity:  $\left(1-\sin x\right)\left(1+\sin x\right)=\cos^2x$  
The first step would be to

• Add

• Subtract

• Substitute

• Multiply 

Tags

CCSS.Math.Content.HSF.TF.C.8