Trigonometric Identities — Engineering Board Exam Practice Questions

17 free engineering board exam reviewer questions on Trigonometric Identities (Trigonometry), each with the correct answer and a worked solution.

1. ECE Board April 1999: (B-A) is equal to , when B = 270° and A is an acute angle.
2. ECE Board April 1999: If 2 A is 5/2, the quantity 1- 2 A is equivalent to
3. ECE Board April 1999: ( A)4 - ( A)4 is equal to .
4. ECE Board April 1999: Of what quadrant is A, if A is positive and A is negative?
5. ME Board October 1996: Angles are measured from the positive horizontal axis, and the positive direction is counterclockwise. What are the…
6. ECE Board November 1998: 520° is equal to
7. CE Board November 1993: If 65° + 55° = , find in radians.
8. EE Board October 1991: The sine of a certain angle is 0.6, calculate the cotangent of the angle.
9. CE Board November 1992: If x = 1/2, y = 1/3, what is the value of (x+y)?
10. CE Board November 1993: Find the value of y in the given: y = (1+ 2 ) .
11. CE Board May 1992: Find the value of + / .
12. ME Board April 1996: Simplify the equation 2 (1+ 2 )
13. ME Board October 1995: Simplify the expression - ( ) 2
14. ECE Board April 1991: Evaluate the following: 0°+ 1°+ 2°+·s+ 89°+ 90°/ 0°+ 1°+ 2°+·s+ 89°+ 90°
15. ECE Board April 1991: Simplify the following: A+ B/ A- B + A+ B/ A- B
16. ECE Board April 1991: Evaluate: 2 - /1- + 2 - 2
17. ECE Board November 1996: If A = 2.511x, A = 3.06x and 2A = 3.939x, find the value of x.