# WAEC EXAMINATION: Questions You Should Expect In Mathematics (Matrix And Trigonometry)

WAEC EXAMINATION: Questions You Should Expect In Mathematics (Matrix And Trigonometry).

Students have spent more than 5 Months at he with the curiosity of knowing when they are sitting for West African Examinations Council (WAEC).

PROBLEM 1. Find the determinant of the 3 x 3 matrix below

Solution:

PROBLEM 2. So for the determinants of 3 x 3 matrix below

Solution:

PROBLEM 3. Find the determinant of The Matrix

Solution:

PROBLEM 4. An airplane is approaching point A along a straight line and at a constant altitude h. at 10:00am, the angle of elevation of the airplane is 20°, and at 10:01am it is 60°. What is the altitude h of the airplane if speed of the airplane is constant and equal to 600 miles per hour (round answer to two decimal places).

Solution:

PROBLEM 5. Point p has initially coordinates (x ,y) it is then rotated by angle a about the origin to point p¹ (distance r from the origin is conserved). What are the new coordinates (x¹,y¹) of point P¹.

Solution:

Make sure you carefully go through all of the above questions before you get into exams hall on Monday. Best of luck, I love you all.