exam Maths Puzzle Numerical Ability

Definition: If y is a real number, then y to 1st power = _______

Read Solution (Total 0)

exam Other Question

Please help me with this problem.
Find an expression that completes the identity.
(2sin^2(x)+cos2(x))/(sec(x)) = ?? solve for x by using the quadratic formula: 9x^2-6x+5=0
thanks so much