Question
If the average number of Teachers who attended the
workshop in all the given years is 57 and the number of Teachers who attended the workshop in 2014 is 3 times the number of Professors in 2012, then what is the total number of Teachers who attended the workshop in 2015? Study the table carefully to answer the questions that follow: Number of persons from different professions attended the workshop in five different years. ÂSolution
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A ladder leans against a wall. The foot of the ladder is 6 meters away from the wall. If the angle the ladder makes with the ground is 60°, find the le...
- sin1440° - cot630° - sin120°cos150° is equal to:
- If sin(A + B) = sinAcosB + cosAsinB, then the value of sin75° is
sin2 7 ° + sin2 8 ° + sin2 9 ° + sin2 10 ° + ……… + sin2 83 ° = ?
...if x sin 45 Ëš Â = y cosec 30 Ëš Â then find the value ofÂ
The Value of (sin38Ëš)/(cos52Ëš)+ (cos12Ëš)/(sin78Ëš)- 4cos²60Ëš is
Solve the following trigonometric expression:

If sin 2A = cos (3A - 60o) , then find the value of sec 2A.
A man is standing at a point 40 meters away from a tower. The angle of elevation of the top of the tower from the point is 45°. After walking 20 meters...