SOLVED: Q2 Using your calculator Each equation has 4 solutions between 3600 and 3600 sin x 0.407 X or or Use your calculator and the sin x -0.208 graphs to work out
Arccos
Cosine Calculator 📐 - calculates cos(x) for degrees or radians
Ex: Solve cos(x)=a Using a Calculator (negative a) - YouTube
How do you evaluate using a calculator of cos^-1(-0.8090)? | Socratic
Cosine Calculator | cos(x)
Cosine Calculator for Degrees or Radians
MOBILE Calculator for radians, sine, cosine & tan for any angle by Russell Kightley Media