mayurimjani mayurimjani

25-06-2016
Mathematics

contestada

evaluate: sin (225degree)

Respuesta :

olemakpadu olemakpadu

26-06-2016

sin(225)

225 degrees is in the 3rd quadrant. And in the third quadrant only tangent is positive, sin is negative.

For third quadrant, basic angle = 225 - 180 = 45

sin225 = - sin45

sin225 = - sin45 = -0.7071

sin 225° ≈ -0.7071

Answer Link

Otras preguntas

please answer me please

Find the base of an isosceles triangle whose area is 60 cm² and the length of one of its equal sides is 13 cm.

The 2016 Olympics are going to be held in Rio de Janeiro, Brazil. A team of engineers is under extreme time constraints to build an enormous arena to host the e

Two of these women were dressed like good bourgeoises of Paris. Their fine white ruffs; their petticoats of linsey- woolsey, striped red and blue; their white k

What’s the answer? I don’t know how I got it wrong

A pair of parallel lines is cut by a transversal, as shown: A pair of parallel lines is shown cut by a transversal. Angle x is located in the upper right exter

lcm of 15,18,21lcm of 56 84 140lcm

20 POINTS!! pls ASAP Select all that apply. How does a "well-rounded" exercise program seek to improve overall fitness? 1. by training a person to be an Olympic

What is the difference between -5 and 3?

find the least common denominator 3/2x+4 and -11/3x+6