exam
Maths Puzzle
Numerical Ability
Solve using the quadratic formula: z^2 - 3z = 40
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exam Other Question
Use log5(2)~.4307 and log5(3)~.6826 to approximate the expression without a calculator:
log5(18)
(1) The expression (1+cosA)/(1-cosA)- (secA-1)/(1+secA)-4cot^2A, wherever definrd simplifies to:
(a) 1/1+secA (b) 4/1+secA (c) 4/1+sinA (d) 1/1+tanA