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