Question R16 Q13 - NSB MS 2014

The secant of 70 is equivalent to which of the following expressions?

W) 1 / cos (70) [1 over the cosine of 70]

X) 1 / sin (70) [1 over the sine of 70]

Y) sin(70) / cos(70) [sine of 70 over the cosine of 70]

Z) cos(70) / sin(70) [cosine of 70 over the sine of 70]

Science Bowl Question