If cos(O) = 5, and 90° <
< 180°, what is the value of tan(O)?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?