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MG Ranade and GV joshi formed it in 1870
If tan θ = 4/3 and θ is an acute angle, find the value of sin θ + cos θ.
If sec(2A + B) = 2 and cos(A + B) = (1/√2) , find the value of {sec 2B + tan (A + B) } given that 0o < A, B < 90o
If 2cosθ + 8sin2θ = 11, where 0o < θ < 90o, then find the value of cot θ.
Find the simplified value of:
(tan 40 º + tan 20 º )/(1 - tan 40 º tan 20 º)
A flagpole stands on top of a building. From a point 50 meters away from the base of the building, the angle of elevation to the top of the building is ...
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
...A tower is 60 meters high. From a point on the ground, the angle of elevation of the top of the tower is 30°. Find the distance of the point from the b...
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?
If 7sin² ϕ + 3cos² ϕ= 4, then find the value of ϕ ?
