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Choosing a Trig Ratio to Solve a Triangle
Worksheet
Grade Level
Algebra II
ALG2.202 Choosing a Trig Ratio to Solve a Triangle
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A right triangle has angle θ. The opposite side is (x + 2) and the adjacent side is (3x − 1). If θ = 40°, which equation correctly solves for x?
A
sin(40°) = (x + 2) ÷ (3x − 1)
B
cos(40°) = (x + 2) ÷ (3x − 1)
C
tan(40°) = (3x − 1) ÷ (x + 2)
D
tan(40°) = (x + 2) ÷ (3x − 1)
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