Mathematics Practice Test – Trigonometrical Ratios of Angles (Questions with Answers and Explanations)

Find the value of x if Cos x =  for 0^o < x < 180^o (WASSCE 1998)

A. 141.3^o      B. 128.7^o      C. 51.3^o      D. 48.7^o

Without using tables, find the values of     (WASSCE 1995)

A. 2   B. 1   C. 0   D. -1

If tan x = , find the value of Sin x; 0^o < x < 90^o (WASSCE 1996)

A.     B.     C.     D.  .