Q1 Find the radian measures corresponding to the following degree measures:
(i)
(ii)
(iii)
(iv)
Q(2) Find the degree measures corresponding to the following radian measures. (Use )
Q 3) A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?
Q (4) Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm (use )
Q (5) In a circle of diameter 40 cm, the length of a chord is 20 cm. Find the length of minor arc of the chord.
Q (6) If in two circles, arcs of the same length subtend angles 60° and 75° at the centre, find the ratio of their radii.
Q (7) Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length
(i) 10 cm
(ii) 15 cm
(iii) 21 cm
Q (1) Find the values of other five trigonometric functions
, x lies in third quadrant.
Q (2) Find the values of other five trigonometric functions
x lies in second quadrant.
Q (3) Find the values of other five trigonometric functions
, x lies in third quadrant.
Q (4) Find the values of other five trigonometric functions
, x lies in fourth quadrant.
Q (5) Find the values of the other five trigonometric functions
, x lies in second quadrant.
Q (6) Find the values of the trigonometric functions
Q (7) Find the values of the trigonometric functions
Q (8) Find the values of the trigonometric functions
Q (9) Find the values of the trigonometric functions
Q (10) Find the values of the trigonometric functions
Prove that
Q(1)
Prove that
Q(2).
Prove that
Q(3)
Prove that
Q(4)
Q (5) Find the value of
Q (5) Find the value of
Prove the following:
Q(6)
Q (7) Prove the following