Applying and analysing trigonometric functions

Find the exact value.  $\cos\left[\sin^{-1}\left(-\frac{3}{5}\right)\right]$  

•  $-\frac{3}{5}$  

•  $\frac{5}{4}$  

•  $-\frac{4}{5}$  

•  $\frac{4}{5}$  

Tags

CCSS.HSF.TF.C.8

Tags

CCSS.HSF.TF.C.8

Determine the value of csc x if tan x = 9/40.

• 40/9

• 40/41

• 41/40

• 41/9

Tags

CCSS.HSF.TF.C.8

 $\cos\ x$  

• 
• 
• 
• 

Tags

CCSS.HSF.TF.C.8

Tags

CCSS.HSF.TF.C.8

Which equation would you use to solve for x?

• sin 62 = 10/x
• tan 62 = 10/x
• tan 62 = x/10
• cos 10 = x/62

Tags

CCSS.HSF.TF.C.8

Hallar: Tan $\alpha$  . Cot $\alpha$  

• 4/3

• 3/4

• 1

Tags

CCSS.HSF.TF.C.8

Find the exact value.  $\sin\left(\arccos3x\right),\ 0\le x<\frac{1}{3}$  

•  $\sqrt{1-9x^2}$  

•  $3x$  

•  $\sqrt{1-3x^2}$  

•  $\sqrt{1+9x^2}$  

Tags

CCSS.HSF.TF.C.8

Tags

CCSS.HSF.TF.C.8

What is the sine of angle A?

• $\frac{45}{30}$
  

• $\frac{10\sqrt{7}}{30}$

• $\frac{30}{10\sqrt{7}}$

• $\frac{30}{45}$

Tags

CCSS.HSF.TF.C.8