CBSE Class 11 (Commerce) Trigonometry — practice questions
21 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 (Commerce) Trigonometry in the app →An angle of $90^\circ$ in radians is:The value of $ in(\pi/4)$ is:The identity $ in 2A$ equals:The double angle formula sin 2A equals:An angle is defined as a measure of the rotation of a:Which two units of angle are described as most commonly used?One sixtieth of a degree is called a:One degree equals how many minutes?One minute equals how many seconds?One radian is the angle subtended in a unit circle by an arc of length:A unit circle is a circle whose radius is:In the diagrams, OA is called the initial side and OB the:The sine and cosine functions are defined for:The range of the sine function is the interval from:The largest value the cosine function can take is:In the first quadrant, both coordinates a and b are:In the second quadrant, the coordinate a is:In the third quadrant, the coordinates a and b are:In the fourth quadrant, a is positive and b is:The sine function is positive for angles between zero and:Values of trigonometric functions at 0, 30, 45, 60 and 90 degrees are: