Originally Posted by realspeed
Strangely enough I liked maths at school but could not understand when algebra-trigonomentry- sign, co sign and tangents would be useful in later years, and they wern't, never used. What a waste of school time having those lessons
Left school as soon as I reach 15 years old and started an apprenticeship instead which even today allows me to fix repair make things apart from a mess
Conversely, trigonometry helped me in my job - It's used to work out power factor correction and reactance in electric circuits to make them more efficient.