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Let the savings of Arun and Bhaskar be Rs. x each Therefore, expenditure of Bhaskar = Rs. 2x Or, 2x + x = 18000 Or, x = Rs. 6000 Therefore, expenditure of Arun = 2x – 4000 = Rs. 8000 Income of Arun = 8000 + 6000 = Rs. 14000
If sin(x-y) = 1 and cos(x+y) = 1 /√2 then what is measure of angle x.
If (5sinx - cosx) = 2√2sinx, then find the value of 'tanx'
tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ = ?
The minimum value of 12 sin θ + 5 cosθ is
If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).
[A] (a²+b²-2)/ 2
[B] (a2-b2<...
The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
If tanθ = x then find the value of cos 2θ?
From the top of a building, the angle of depression of two cars on a straight road are 30° and 60° respectively. If the height of the building is 120 ...