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Q1:
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If tan(x + 30)° = 1 what is the value of x? |
A. -29
B. 15
C. 45
D. 60 |
Answer 1:
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Q2:
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Cos π = |
A .0
B. 1
C. -1
D. undefined |
Answer 2:
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Q3:
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How many solutions has the equations cos2x = 0
for 0° ≤ x ≤ 360°?
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A. 2
B. 4
C. 6
D. 8 |
Answer 3:
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Q4:
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cos 210° = |
A. cos 70°
B. sin 70°
C. cos 150°
D. sin 150° |
Answer 4:
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Q5:
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The solutions of sin 0.5x = 0 are |
A. x = 0 and π
B. x = 0 and 2π
C. x = π/ 2 and 3π/ 2
D. x = π and 2π |
Answer 5:
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Q6:
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The solutions of cos x = 0.5 are |
A. 30° and 150°
B. 60° and 300°
C. 210° and 330°
D. 150° and 330° |
Answer 6:
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Q7:
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How many solutions has the equations sin2x = 1
for 0° ≤ x ≤ 360°?
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A. 2
B.. 4
C. 6
D. 8 |
Answer 7:
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Q8:
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One of the solutions of cos x = √3 / 2 is
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A. 30°
B.. 60°
C. 150°
D. 300° |
Answer 8:
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Q9:
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The solution set of tan x = 1 for 0 ≤ x ≤ π is |
A. π / 4
B.3π / 4
C. π / 2
D. 2π / 3 |
Answer 9:
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Q10:
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What type of function is y = sin2x? |
A. cubic
B. parabolic
C. hyperbolic
D. periodic |
Answer 10:
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