Enter the expression 2cos2(θ)−1 , where θ is the lowercase greek letter theta. 2cos2(θ)−1 2 c o s 2 ( θ ) − 1 = nothing

What is the solution of sqrt x+2-15=-3

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).