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Plate Heat Exchangers are incredibly efficient for energy usage in milk pasteurisation. During pasteurisation milk is heated to a high temperature and then quickly cooled before bottling or packaging to keep it fresh for longer.
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.
