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Uttar Pradesh is leading in wheat production followed by Madhya Pradesh and Punjab.
If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
If 4cos2x - 3 = 0, and (0° > x > 90°), then find the value of 'x'.
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 ...
Find the value of tan(75°) using the identity for tan(A+B).
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
If 9 sinx + 40 cosx = 41 then find tanx.