Question

Evalua la expresión trigonometrica: 2Sen90° - 3Csc270°-5Cos180°+2Tan180°
Ayda Porfavor

Answer 1

sen(90°) = 1

Csc(270°) = 1/[sen(270)] = 1/-1 = -1

Cos(180°) = -1

Tan(180°) = 0

2sen(90°) - 3Csc(270°) - 5Cos(180°) + 2Tan(180°)

= 2(1) - 3(-1) - 5(-1) + 2(0)

= 2 + 3 + 5 = 10

Rta: 10