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