Cos 2x - 3sinx1-01-360: 180
2sin 2x​

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?