Trigonometry Trivia ChallengeOnline version Test your knowledge of trigonometry with these fun and challenging questions! by Midhat Parween 1 What is the sine of a 90-degree angle? a 1 b √2/2 c 0.5 d 0 2 Which function is the reciprocal of sine? a Secant b Cotangent c Cosecant d Cosine 3 What is the Pythagorean theorem formula? a a² - b² = c² b ab = c c a² + b² = c² d a + b = c 4 What is the cosine of a 0-degree angle? a 1 b √3/2 c 0.5 d 0 5 In a right triangle, what does the tangent represent? a Hypotenuse/Adjacent b Adjacent/Hypotenuse c Opposite/Hypotenuse d Opposite/Adjacent 6 What is the value of sin(30 degrees)? a √3/2 b 0.5 c 0 d 1 7 Which angle has a tangent of 1? a 90 degrees b 45 degrees c 60 degrees d 30 degrees 8 What is the range of the sine function? a (-1, 1) b (0, 1) c [0, 1] d [-1, 1] 9 What is the cotangent of an angle? a tan(angle) b 1/sin(angle) c 1/tan(angle) d 1/cos(angle) 10 In radians, what is π/2 equivalent to? a 360 degrees b 45 degrees c 180 degrees d 90 degrees