Solving trigonometric equations

Interactive Video
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Mathematics, Science
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11th Grade - University
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Medium
Wayground Content
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge when solving a trigonometric equation with two different functions?
Finding the exact values of X
Converting both functions to the same type
Using the unit circle
Applying the Pythagorean identity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity is used to convert sine and cosine functions to the same type?
Tangent equals sine over cosine
Cosine squared equals one minus sine squared
Sine equals cosine
Sine squared plus cosine squared equals one
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of isolating the variable in the equation 4 sine squared of X = 3?
Sine of X equals 3/4
Sine squared of X equals 3/4
Cosine squared of X equals 3/4
Cosine of X equals 3/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to consider both positive and negative roots when solving for sine of X?
To convert the function to cosine
To use the unit circle
To simplify the equation
To ensure all possible solutions are found
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the sine value represent on the unit circle?
The X-coordinate
The radius
The Y-coordinate
The angle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At which angle is the sine value equal to sqrt 3 / 2 in the first quadrant?
π / 4
π / 2
π / 6
π / 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can additional solutions be found for the equation using the unit circle?
By adding 2π to the angle
By adding π to the angle
By subtracting π from the angle
By subtracting 2π from the angle
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