Mathematics Past Questions and Answers

One of the interior angles of a regular polygon is 120°. Find the number of sides of the polygon

If cos x = 4/5, 0° \( \leq \) x \( \leq \) 90°, find the value of (1 + tan x)/(1 - tan x)

Evaluate ut - \(\frac{1}{2}\)ft² when t = 5, u = -20 and f = 10

Express the quotient of 0.422 and 0.004 in standard form

The 4th term of a G.P is 3 and its first term is 81. What is its common ratio?