How to simplify a trig expression
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Mathematics
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11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended approach if you get stuck while simplifying trigonometric expressions?
Use the reciprocal identities
Use the double angle formulas
Convert to exponential form
Rewrite in terms of sines and cosines
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quotient identity for tangent?
cosine times sine
cosine over sine
sine over cosine
sine times cosine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When combining fractions, what must be true about their denominators?
They must be different
They must be whole numbers
They must be equal
They must be prime numbers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does sine squared plus cosine squared equal according to the Pythagorean identity?
Theta
0
1
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reciprocal of cosine?
Cotangent
Cosecant
Tangent
Secant
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