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Essential Trigonometry - Made Simple for Middle & High Schools

All essential concepts of trigonometry for middle and high schools are consolidated together with examples and exercises for effective learning.

The book starts with the basic concepts like theorems & propositions, triangle, trigonometric functions & graphs; and covers the advanced level of identities, trigonometric equations, inverse functions, Herron's formula etc

Concepts explained in clear and simple way together with examples act like self-teaching guide. Each section is included...

The purpose of doing this project is to design and implement a three floor elevator control system. Each floor was to have its own illuminated push button to call the elevator to a demanded floor. The elevator door was to be simulated with the use of a 12VDC bench-top mounted motor that opened, stayed open, and reversed after ten seconds at each floor after being called. A 12V DC motor was used to hoist the elevator and IR sensors were used to indicate when the elevator was at the floor in position to open. The entire system included a master start-stop circuit to ensure that the operation...