1) Use a calculator to find the measure of the angle to the nearest degree.
cos^-1 (0.47)
2) Use a calculator to find the measure of the angle to the nearest degree.
tan^-1 (1.21)
3)Use a calculator to find the measure of the angle to the nearest degree.
sin^-1 (0.82)
+23252 Make certain that you calculator is in degree mode.
Since you want cos^-1, enter 2nd cos (0.47) ---> answer (approx) 62 degrees.
2nd tan (1.21) ---> answer (aprox) 50 degrees.
2nd sin (0.82) ---> answer (approx) 55 degrees.
2nd sin is the same as arc sin is the same as inv sin.
+23252 Make certain that you calculator is in degree mode.
Since you want cos^-1, enter 2nd cos (0.47) ---> answer (approx) 62 degrees.
2nd tan (1.21) ---> answer (aprox) 50 degrees.
2nd sin (0.82) ---> answer (approx) 55 degrees.
2nd sin is the same as arc sin is the same as inv sin.
