COS135 is a course code that could be associated with various subjects depending on the academic institution. It is not possible to determine the exact subject without more information about the institution or program.
cosine of 135
The cosine of 135 degrees is equal to -0.7071.
wrong
Apologies for the confusion. The cosine of 135 degrees is actually equal to -0.7071 (rounded to four decimal places). You can use a scientific calculator or math software to verify the result.
