Question 1

Use an identity to write the expression as a single trigonometric function or as a single number.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 2

Use identities to simplify the expression.
-

Accepted Answer

A)    
B)  1 
C)    
D)    
A)    
B)  1 
C)    
D)

Question 3

Use identities to simplify the expression.
-

Accepted Answer

A)    
B)    
C)  sin x 
D)    
A)    
B)    
C)  sin x 
D)

Question 4

Prove the identity.
-tan 2x =

Accepted Answer

The answer of Prove the identity.
-tan 2x =  ...

Question 5

Factor and, if possible, simplify the expression.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

hundredth.
-2cot x - csc x = 4

Accepted Answer

A)  {0.69, 3.14, 3.88} 
B)  {0.99} 
C)  {0.69, 3.88} 
D)  {1.01, 4.33} 
A)  {0.69, 3.14, 3.88} 
B)  {0.99} 
C)  {0.69, 3.88} 
D)  {1.01, 4.33}

Question 7

Choose the expression with exactly the same value as the given expression.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Prove that the equation is an identity.
-  = sin 2A sin 2B

Accepted Answer

The answer of SHORT ANSWER. Write the word or phrase...

Question 9

Decide whether the expression is or is not an identity.
-c   x + cot x csc x

Accepted Answer

A)  Identity 
B)  Not an identity 
A)  Identity 
B)  Not an identity

Question 10

Determine whether the positive or negative sign makes the equation correct.
-cos

Accepted Answer

A)  Positive sign 
B)  Negative sign 
A)  Positive sign 
B)  Negative sign

Question 11

Prove that the equation is an identity.
-

Accepted Answer

The answer of Prove that the equation is an identity.
-...

Question 12

Factor the trigonometric expression.
-

Accepted Answer

A)  (3 csc x + 4)(csc x - 4) 
B)  (3 csc x - 4)(csc x + 4) 
C)    
D)    
A)  (3 csc x + 4)(csc x - 4) 
B)  (3 csc x - 4)(csc x + 4) 
C)    
D)

Question 13

Prove the identity.
-

Accepted Answer

The answer of Prove the identity.
- ...

Question 14

Choose the expression with exactly the same value as the given expression.
-cos(152°)

Accepted Answer

A)  -sin(62°) 
B)  sin(62°) 
C)  cos(28°) 
D)  cos(42°) 
A)  -sin(62°) 
B)  sin(62°) 
C)  cos(28°) 
D)  cos(42°)

Question 15

Use identities to find the exact value of the trigonometric function.
-Find sec   if cos

Accepted Answer

A)  -6 
B)    
C)  6 
D)    
A)  -6 
B)    
C)  6 
D)

Question 16

Simplify the expression by using a sum or difference identity.
-s

Accepted Answer

A)    
B)    
C)  1 
D)    
A)    
B)    
C)  1 
D)

Question 17

Multiply and simplify.
-

Accepted Answer

A)  49 
B)    
C)    
D)  -49 
A)  49 
B)    
C)    
D)  -49

Question 18

Decide whether the expression is or is not an identity.
-c

Accepted Answer

A)  Not an identity 
B)  Identity 
A)  Not an identity 
B)  Identity

Question 19

Write the expression in terms of sines and/or cosines, and then simplify.
-

Accepted Answer

A)    
B)    
C)  cos x - sin x 
D)    
A)    
B)    
C)  cos x - sin x 
D)

Question 20

Find all angles in degrees that satisfy the equation.
-cos x = -1

Accepted Answer

Use an identity to write the expression as a single trigonometric function or as a single number. -

Use identities to simplify the expression. -

Use identities to simplify the expression. -

Prove the identity. -tan 2x =

Factor and, if possible, simplify the expression. -

hundredth. -2cot x - csc x = 4

Choose the expression with exactly the same value as the given expression. -

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Prove that the equation is an identity. - = sin 2A sin 2B

Decide whether the expression is or is not an identity. -c x + cot x csc x

Determine whether the positive or negative sign makes the equation correct. -cos

Prove that the equation is an identity. -

Factor the trigonometric expression. -

Prove the identity. -

Choose the expression with exactly the same value as the given expression. -cos(152°)

Use identities to find the exact value of the trigonometric function. -Find sec if cos

Simplify the expression by using a sum or difference identity. -s

Multiply and simplify. -

Decide whether the expression is or is not an identity. -c

Write the expression in terms of sines and/or cosines, and then simplify. -

Find all angles in degrees that satisfy the equation. -cos x = -1

Equations, Inequalities, and Modeling

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Polynomial and Rational Functions

Exponential and Logarithmic Functions

The Trigonometric Functions

Applications of Trigonometry

Systems of Equations and Inequalities

Matrices and Determinants

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Sequences, Series, and Probability

Basic Algebra Review

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Exam 6: Trigonometric Identities and Conditional Equations

Use an identity to write the expression as a single trigonometric function or as a single number. -

Use identities to simplify the expression. -

Use identities to simplify the expression. -

Prove the identity. -tan 2x =

Factor and, if possible, simplify the expression. -

hundredth. -2cot x - csc x = 4

Choose the expression with exactly the same value as the given expression. -

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Prove that the equation is an identity. - = sin 2A sin 2B

Decide whether the expression is or is not an identity. -c x + cot x csc x

Determine whether the positive or negative sign makes the equation correct. -cos

Prove that the equation is an identity. -

Factor the trigonometric expression. -

Prove the identity. -

Choose the expression with exactly the same value as the given expression. -cos(152°)

Use identities to find the exact value of the trigonometric function. -Find sec if cos

Simplify the expression by using a sum or difference identity. -s

Multiply and simplify. -

Decide whether the expression is or is not an identity. -c

Write the expression in terms of sines and/or cosines, and then simplify. -

Find all angles in degrees that satisfy the equation. -cos x = -1

Equations, Inequalities, and Modeling

Functions and Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

The Trigonometric Functions

Applications of Trigonometry

Systems of Equations and Inequalities

Matrices and Determinants

The Conic Sections

Sequences, Series, and Probability

Basic Algebra Review

Filters