It is zero.
Chat with our AI personalities
That line is [ y = 2 cos(2x) ].
the range is greater then -1 but less than 1 -1<r<1
2.9
0. sin 2x = cos 3x 1. sin 2x = sin (pi/2 - 3x) [because cos u = sin (pi/2 - u)] 2. [...]
y = arcsin( cos 48 ); arcsin may be seen as sin-1 on your calculator.