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PC Basics of Trig Values Unit Circle
Contributed by: Plesek
  • 1. In a wrapping value, (x, y) represents:
A) (tan, cot)
B) (cot, tan)
C) (sin, cos)
D) (cos, sin)
  • 2. The reciprocal of sine is:
A) cosecant
B) secant
C) tangent
D) cosine
  • 3. The reciprocal of cosine is:
A) cotangent
B) tangent
C) secant
D) sine
  • 4. Tan is equivalent to:
A) 1/csc x
B) sin x/cos x
C) cos x/sin x
D) 1/sec x
  • 5. The ratio of cos x to sin x is:
A) tan x
B) sec x
C) csc x
D) cot x
  • 6. The reciprocal of 0 is:
A) 0
B) undefined
C) 1
D) -1
  • 7. The reciprocal of -1 is:
A) -1
B) undefined
C) 0
D) 1
  • 8. The reciprocal of -1/2 is:
A) 1/2
B) -0.5
C) -2
D) 2
  • 9. The signs in quadrant IV are:
A) (+, +)
B) (+, -)
C) (-, +)
D) (-, -)
  • 10. In a unit circle, tangent is equivalent to:
A) x/y
B) x
C) y/x
D) y
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Unit circle (version a)
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