BOSTON (CBS) - A high school math teacher in South Boston has been named the Massachusetts Teacher of the Year. Adam Gray teaches tenth-grade math at Monument High School, the first secondary school ...
Do you know the value of (1 + cot A - cosec A) (1 + tan A + sec A)? If you do know the answer to this trigonometric puzzler, you can remotely claim to know your tenth grade math well. Chances are that ...