
Solving Trigonometric Equations Techniques

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a trigonometric equation using algebraic techniques?
Apply the Pythagorean identity
Factor the equation
Use the quadratic formula
Isolate the trigonometric function
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving trigonometric equations with multiple angles, what is a key consideration?
Using the law of cosines
Applying the sine rule
Finding the reference angle
Using the quadratic formula
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the general solution for a trigonometric equation?
By finding the period of the function
By using the quadratic formula
By factoring the equation
By applying the sine rule
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of combining like terms in a trigonometric equation?
To apply the Pythagorean identity
To find the reference angle
To simplify the equation
To use the quadratic formula
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which technique involves setting each factor equal to zero?
Using the law of cosines
Factoring
Using the quadratic formula
Applying the sine rule
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a crucial step when using trigonometric identities to solve equations?
Finding the reference angle
Using the quadratic formula
Checking for extraneous solutions
Applying the sine rule
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to check for extraneous solutions?
They help find the reference angle
They simplify the equation
They determine the period of the function
They may not satisfy the original equation
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