Determine whether each of the following expressions is Positive or Negative without using a calculator.

$\sin(74^\circ)$
A. Negative
B. Positive

$\cos(206^\circ)$
A. Negative
B. Positive

$\sin(\frac{15\pi}{14})$
A. Positive
B. Negative

$\cos(\frac{12\pi}{25})$
A. Positive
B. Negative