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Maths Puzzle
Numerical Ability
A triangle has three angles, R, S, and T. Angle T is 40° greater than angle S. Angle R is 8 times angle S. What is the measure of each angle?
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About 4.9 million households had one brand of personal computers in 2001. The use of these computers grew at an average rate of 0.275 million households a year. In 2001, the abou
The question is: evaluate exactly without the use of your calculater. Be sure to show all your work.
cos(2pi/3)
b) cot 17pi/6
c) sin 135 degrees
d) sec (-540 degrees)