Category: ECE Board

Philippines ECE board exam reviewer, multiple choice questions, pre-board exams, solutions and coaching materials for Electronics and Communications Engineering licensure.

Solution: For what value of Ѳ (less than 2π) will the following equation be satisfied?

Solution: For what value of Ѳ (less than 2π) will the following equation be satisfied?

Solution: How many different value of x from 0° to 180° for the equation (2sin x – 1)(cos x + 1) = 0?

Solution: How many different value of x from 0° to 180° for the equation (2sin x – 1)(cos x + 1) = 0?

Solution: If sin 40° + sin 20° = sin Ѳ, find the value of Ѳ

Solution: If sin 40° + sin 20° = sin Ѳ, find the value of Ѳ

Solution: Find the value of tan A x tan B x tan C

Solution: Find the value of tan A x tan B x tan C

Solution: Find the value of sin (arcos 15/17)

Solution: Find the value of sin (arcos 15/17)

Solution: If sin 3A = cos 6B then

Solution: If sin 3A = cos 6B then

Solution: Solve for cos 72° if the given relationship is cos 2A = 2cos^2 A – 1

Solution: Solve for cos 72° if the given relationship is cos 2A = 2cos^2 A – 1

Solution: The measure of 2.25 revolutions counterclockwise is

Solution: The measure of 2.25 revolutions counterclockwise is

Solution: The measure of 1 ½ revolutions counter-clockwise is

Solution: The measure of 1 ½ revolutions counter-clockwise is

Solution: Find the third angle

Solution: Find the third angle

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