Solve Trigonometric Equation Double Angle Formula

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we combine trigonometric functions with different arguments?
Because they are different functions
Because they have different coefficients
Because they have different angles
Because they are not in the same equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended approach when solving trigonometric equations?
Convert everything to secant
Use only cosine
Use only sine and cosine
Convert everything to tangent
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to solve the quadratic trinomial in the trigonometric equation?
Completing the square
Graphing
Using the quadratic formula
Factoring
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property is applied after factoring the trigonometric equation?
Commutative property
Associative property
Zero product property
Distributive property
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are all solutions of the trigonometric equation expressed?
By subtracting 2π from each solution
By adding π to each solution
By adding 2π to each solution
By subtracting π from each solution
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