Question 1

If tan x = 
  
and
  
, find cos2x.

Accepted Answer

The answer of If tan x = 
  
and
...

Question 2

If cot x = 
  
and x is in QIV, find csc 2x.

Accepted Answer

The answer of If cot x = 
  
and...

Question 3

Evaluate

Exactly.

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The answer of Evaluate

Exactly.
...

Question 4

Evaluate sin

Cos

Exactly.

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The answer of Evaluate sin

Cos

Exactly.
...

Question 5

Evaluate  exactly.

Accepted Answer

The answer of Evaluate  exactly.
...

Question 6

Evaluate 
  
exactly if possible.

Accepted Answer

The answer of Evaluate 
  
exactly if possible....

Question 7

Evaluate 15 sin 30
°cos 30° exactly

Accepted Answer

The answer of Evaluate 15 sin 30
°cos 30° exactly...

Question 8

Evaluate 
  
exactly, if possible.

Accepted Answer

The answer of Evaluate 
  
exactly, if possible....

Question 9

Verify the identity 
  
.

Accepted Answer

The answer of Verify the identity 
  
....

Question 10

Verify the identity

Accepted Answer

The answer of Verify the identity 
 ...

Question 11

Verify the identity

Accepted Answer

The answer of Verify the identity ...

Question 12

Verify the identity sin²x + tan²x + cos²x = sec²x.

Accepted Answer

The answer of Verify the identity sin²x + tan²x +...

Question 13

Verify the identity 
  
.

Accepted Answer

The answer of Verify the identity 
  
....

Question 14

Verify the identity 
  
.

Accepted Answer

The answer of Verify the identity 
  
....

Question 15

Graph the function y = 
  
.

Accepted Answer

The answer of Graph the function y = 
 ...

Question 16

Graph the function y = -5 cot x sec x tan x.

Accepted Answer

The answer of Graph the function y = -5 cot...

Question 17

Use a half-angle identity to to find the exact value of sin 337.5°.

Accepted Answer

The answer of Use a half-angle identity to to find...

Question 18

Use a half-angle identity to find the exact value of tan 345°.

Accepted Answer

The answer of Use a half-angle identity to find the...

Question 19

Use a half-angle identity to find the exact value of sec

Accepted Answer

The answer of Use a half-angle identity to find the...

Question 20

Use a half-angle identity to find the exact value of cot 
  
. Rationalize the denominator if necessary.

Accepted Answer

The answer of Use a half-angle identity to find the...

Quiz 6: Analytic Trigonometry

If tan x = and , find cos2x.

If cot x = and x is in QIV, find csc 2x.

Evaluate Exactly.

Evaluate sin Cos Exactly.

Evaluate exactly.

Evaluate exactly if possible.

Evaluate 15 sin 30 °cos 30° exactly

Evaluate exactly, if possible.

Verify the identity .

Verify the identity

Verify the identity

Verify the identity sin2x + tan2x + cos2x = sec2x.

Verify the identity .

Verify the identity .

Graph the function y = .

Graph the function y = -5 cot x sec x tan x.

Use a half-angle identity to to find the exact value of sin 337.5°.

Use a half-angle identity to find the exact value of tan 345°.

Use a half-angle identity to find the exact value of sec

Use a half-angle identity to find the exact value of cot . Rationalize the denominator if necessary.

Verify the identity sin²x + tan²x + cos²x = sec²x.