Answer: True! Yes, sine and cosine are called co-functions, where the sign function of any acute angle equals it’s co-function of the angles complement.
Step-by-step explanation: We know that it takes the car 54.9 seconds to travel one mile, and we know that 1 times 4.3 is 4.3, so 4.3 times 54.9 equals 236.07 seconds.
