book Maths Puzzle Numerical Ability

Cot a-1/1-Tan a = Csc a/Sec a

Read Solution (Total 0)

book Other Question

Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have? The high of an equilateral triangle is 18 meters. What is its area?