Si sec 10+tag 10 = k
calcular: cot 50

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).