Choose a good way to start solving this equation
tanx sin2x = 2 tanx
Precalculus Trigonometric Equations
Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose a good way to start solving this equation
tanx sin2x = 2 tanx
divide tanx from both sides
factor out tanx
subtract 2 tanx from the left and then factor tanx out
cancel sin2x out
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factor 0 = sin2x − sinx
0 = sinx(sinx)
0 = sinx(1 − sinx)
0 = cosx(sinx − 1)
0 = sinx(sinx − 1)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
csc2x = 2 is equivalent to sin2x = ½
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve on the Interval [0,2π)
tan(x) + 1 = 0
x = π/4, x = 5π/4
x = π/4, x = 3π/4
x = π/2
x = 3π/4, x = 7π/4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation shows how you would use the law of sines to find side c?
6.
DROPDOWN QUESTION
1 min • 1 pt
Two stakes are holding a small blimp in place. Stake A measures an angle of elevation of 49o and Stake B measures an angle of elevation of 58o. If the string attached to Stake A has a length of 148 feet, what is the length of the string attached to Stake B? (a)
152.7 feet
166.3 feet
157.3 feet
131.7 feet
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
To approximate the length of a marsh, a surveyor walks 425 meters from point A to point B. Then the surveyor turns 65º and walks 300 meters to point C. Approximate the length AC of the marsh.
250 m
615 m
500 m
790 m
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