CBSE Class 11 science: Degree Measure and Radian Measure Videos | Degree measure and Radian measure
Degree measure and Radian measure
This video explains the concept of negative & positive angles and conversion of degree measure to radian measure of angles and vice versa.
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Trigonometric identities and problems
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Domain, period and range of trigonometric functions ...
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Basic Trigonometric Formulae
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Sign of Trigonometric Functions
- convert 43.1025° into minute and second
- sin 135 degree
- sin135º
- The minute hand of a watch is 1.5 cm long far does its tip move in 40 minutes
- Find the radius of the circle in which a central angle of 45o intercepts an arc of length 154 cm.
- Find the angle between the minute hand and the hour hand of a clock when the time is 5:20.
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Convert
into radian measure.
- Convert 22.22c into degree measure.
- Kunal’s heart beats 72 times in one minute. If the length of second hand of watch is 4.5 cm. Find the distance travelled by the tip of second’s hand of watch when Kunal’s heart beats 300 times.
- The speed of sound is nearly 341m/s, if a car of wheel radius 70 cm moves with a speed of sound. Find the number of revolutions it will make in 10 sec.
