Trigonometry
Which of the following is least ? (All angles have been measured in radians)
Find the radian measures corresponding to the following degree measures: $$520^{0}$$
$$520^{o}=520*\frac{\pi}{180}$$ radian
$$=\frac{26\pi}{9}$$ radian
Which of the following is least ? (All angles have been measured in radians)
The value of $$cos^{2}30^{0}-cos^{2}60^{0}-cos 60^{0}$$ is
1 radian =
Find the angle in radian though 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
Find the radian measure of the interior angle of regular hexagon.
In a circle of diameter $$40$$ cm, the length of a chord is $$20$$ cm. Find the length of minor arc of the chord.
The number of radians in angle $$30^{\circ} $$ is:
Convert the following angles in radians: $$45^{\circ} $$
Convert the following angles in radians: $$120^{\circ} $$
Convert the following angles in radians: $$135^{\circ} $$