Trigonometric Ratios
Math ⇒ Trigonometry
Trigonometric Ratios starts at 9 and continues till grade 12.
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See sample questions for grade 12
If cos(θ) = 0 and θ is between 0° and 360°, what are the possible values of θ?
If cos(θ) = 0.6 and θ is in the fourth quadrant, what is the value of sin(θ)?
If cos(θ) = -1/2 and θ is in the third quadrant, what is the value of sin(θ)?
If sin(θ) = 0.5 and θ is in the first quadrant, what is the value of θ in degrees?
If sin(θ) = 0.6 and θ is in the first quadrant, find tan(θ).
If sin(θ) = 0.8 and θ is in the second quadrant, what is the value of cos(θ)?
If sin(θ) = 3/5 and θ is in the first quadrant, find cos(θ).
If tan(θ) = √3 and θ is in the first quadrant, what is the value of θ in degrees?
Which of the following is NOT a trigonometric ratio?
(1) sin
(2) cos
(3) tan
(4) log
Which of the following is the correct value of cos(60°)?
(1) 1/2
(2) √3/2
(3) 0
(4) 1
Which of the following is the correct value of csc(90°)?
(1) 0
(2) 1
(3) undefined
(4) -1
Which of the following is the correct value of sin(45°)?
(1) 1/2
(2) √2/2
(3) √3/2
(4) 1
Fill in the blank: sec(θ) = _______ / cos(θ).
Fill in the blank: tan(θ) = _______ / cos(θ).
Fill in the blank: The value of cos(180°) is _______.
Fill in the blank: The value of tan(90°) is _______.
True or False: The value of cot(0°) is undefined.
True or False: The value of sec(90°) is undefined.
True or False: The value of sin(θ) can never be greater than 1.
True or False: The value of sin(θ) is always positive in the first and second quadrants.
