Show that 6sin(60◦) + 5tan(60◦) can be written in the form √k where k is an integer.
sin(60◦) = √3 /2
tan(60◦) = √3
6sin(60◦) + 5tan(60◦) = 3√3 + 5√3 = 8√3 = √64√3 = √192
AG
Related Maths GCSE answers
All answers ▸Solve algebraically the simulations equations: x^2+y^2=25 and y-3x=13
Expand and simplify (2x+5)(x^2 + 3x -1)
Solve algebraically: 6x + y = 16, 5x - 2y = 19
Katie wants to buy 4 adult show tickets for £10 each and 2 child show tickets for £3 each. There is a 10% booking fee and 3% is then added for paying by credit card. Work out the total charge for Katie if she pays with a credit card.