exam Maths Puzzle Numerical Ability

please help me solve this equation sin 2x-cosx=0

Read Solution (Total 0)

exam Other Question

The base of a triangular sail is 4x feet and its height is 3x + 10 feet. Write a binomial in terms of x for the area of the sail. Three times a whole number is 10 more that half the number. What is the number?