Question

Which expression is equivalent to cot t sec t?
a.csc t
b.sin t
c.tan t
d.sin^2 t
e.csc^2 t

Answer 1

$\cot t \sec t=\dfrac{\cos t}{\sin t}\cdot\dfrac{1}{\cos t}=\dfrac{1}{\sin t}=\csc t$

Answer 2

The answer is "A" "csc t"