If sinx is approximately 0.2588, what is the measurement of x to the nearest degree? Approximately, what is the cosine of the angle that is complementary to x?
+1904 sin(x)=0.2588
sin−1(sin(x))=sin−1(0.2588)
x=sin−1(0.2588)
x≈14.99887030548°
x≈15°
The complementary of angle 15°:
90°−15°=x
75°=x
x=75°
cos(75°)=x
0.258819045103≈x
x≈0.258819045103
