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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 ...
If (5sinx - cosx) = 2√2sinx, then find the value of 'tanx'
Find the value of sin 30°.
A point P is 15 meters away from the base of a building. The angle of elevation to the top of the building is 60°, while the angle of elevation to the ...
If A, B and C are angles of triangle, then sin2A + sin2B + sin2C– 2cosA cosB cosC
If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
(tan 5x - tan 3x - tan 2x) = ?
cot 4˚ x cot 47˚ x cot 42.3˚ x cot 43˚ x cot 47.7˚ x cot 86˚= ?
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...