1st PUC Mathematics Series-4 December 3, 2020December 23, 2020wefru PUC Science 1st Year Mathematics Series-4 quiz 2 Created on December 02, 2020 By wefru 1st PUC Mathematics Series 4 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.31 What is the range of the function f(x) = - 6 cos(π x - π/2) + 2? [-4 , 8] [-4 , 0] [-4 , 7] [-4 , 76] 2 / 10 Q.32 What is the amplitude of f(x) = 4 sin(x) cos(x)? 2 4 6 8 3 / 10 Q.33 What is the period of f(x) = 0.5 sin(x) cos(x)? π / 2 π / 9 π / 90 π / 6 4 / 10 Q.34 What is the amplitude of f(x) = sin(x) + cos(x)? √2 220 450 20 5 / 10 Q.35 Which of the following points is in the unit circle? (-√2 / 2 , -√2 / 2) (√2 / 3 , -√2 / 3) (1 / 2 , 1 / 2) (3 / 2 , 2 / 3) 6 / 10 Q.36 A point is in Quadrant-III and on the Unit Circle. If its x-coordinate is -4 / 5, what isthe y-coordinate of the point? -3 / 5 -3 / 7 -3 / 9 -3 / 78 7 / 10 Q.37 Find the point on the Unit Circle associated with the rotation -9π/2 (-1 , 0) (-1 , 9) (-1 , 97) (-1 , 3) 8 / 10 Q.38 Find the point on the Unit Circle associated with the angle 5π/3 (1 / 2 , 1 / 2) (-√3 / 2 , 1/2) (1 / 2 , -√3 / 2) (-√3 / 2 , -1/2) 9 / 10 Q.39 If point (a , b) is on the Unit Circle associated with the rotation t, which of thefollowing is not correct? sin(t) = b cos(t) = a sin(-t) = - a cos(-t) = - a 10 / 10 Q.40 If point (a , b) is on the Unit Circle associated with the rotation t and point (c , d)is also on the Unit circle associated with rotation t + π, then which of the following iscorrect? c = - a and d = - b c = - a and d = b c = a and d = b c = a and d = - b Your score isThe average score is 25% LinkedIn Facebook Twitter VKontakte 0% Restart quiz