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GP = Sn=a(rn – 1)/(r – 1) Where a = 12, r = 2 Sum of 12 terms = a(r8 – 1)/(r – 1) ⇒ 12 × [(28 – 1)/(2 – 1)] ⇒ 12 × [256 – 1] ⇒ 12 × 255 ⇒ 3060
A tree of height 'h' metres is broken by storm in such a way that its top touches the ground at a distance of 'x' metres from t...
If sin 2A = cos (3A - 60o) , then find the value of sec 2A.
From a point on the ground, the angle of elevation of the top of a building is 45°. After walking 10 meters towards the building, the angle of elevatio...
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
Two buildings are 40 meters apart. The height of one building is 20 meters. From the top of the shorter building, the angle of elevation of the top of t...
If cosec (2A + B) = (2/√3) and cosec (A + B) = √2, then determine the value of (4A - B).
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
...If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
If x - √(3y) =19 Then find the slope in angle?
