attached below
Just e iii) the magnitude of an angle.
Is the working out for the angle like this
sin inverse -3/5 + sin inverse 12/13 = 104.25 degrees
However, this method does not work for cosine (a-b). It only worked for sine(a-b) and tangent (a-b)
Just e iii) the magnitude of an angle.
Is the working out for the angle like this
sin inverse -3/5 + sin inverse 12/13 = 104.25 degrees
However, this method does not work for cosine (a-b). It only worked for sine(a-b) and tangent (a-b)