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Trigonometry Basics
Trigonometry Basics Quiz Quiz
10 multiple choice questions
Q1: In a right triangle, sine of an angle is defined as:
A) Opposite side / Hypotenuse
B) Adjacent side / Hypotenuse
C) Opposite side / Adjacent side
D) Hypotenuse / Opposite side
Q2: In a right triangle, cosine of an angle is:
A) Opposite / Adjacent
B) Adjacent / Hypotenuse
C) Hypotenuse / Adjacent
D) Opposite / Hypotenuse
Q3: Tangent of an angle equals:
A) Adjacent / Opposite
B) Hypotenuse / Opposite
C) Opposite / Adjacent
D) Adjacent / Hypotenuse
Q4: The Pythagorean theorem states that in a right triangle:
A) a^2 + b^2 = c^2
B) a + b = c
C) a^2 - b^2 = c^2
D) 2a + 2b = c
Q5: If sin(theta) = 3/5, what is cos(theta)?
A) 4/5
B) 5/3
C) 3/4
D) 4/3
Q6: The angle of elevation is measured from:
A) The ground upward
B) The horizontal upward
C) The vertical downward
D) Any direction
Q7: What is tan(45 degrees)?
A) 1
B) 0
C) undefined
D) sqrt(3)
Q8: What is sin(30 degrees)?
A) sqrt(3)/2
B) 1/2
C) sqrt(2)/2
D) 1
Q9: In SOHCAHTOA, the 'CAH' stands for:
A) Cosine = Adjacent / Hypotenuse
B) Cosine = Adjacent / Hypotenuse
C) Cosine = Opposite / Adjacent
D) Cosine = Hypotenuse / Adjacent
Q10: An angle of 90 degrees is called:
A) A right angle
B) An acute angle
C) An obtuse angle
D) A straight angle
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