Recent content by gotah

I have a Q that says: An athlete must each day run three laps more than the day before. On the sixth day she runs 17laps Calculate how many laps she runs 1.) on the first day 2.) in total by the end of the sixth day. in 1. I know that Un=U1+(n-1)d where d=3 Un=17...

i found the solution for this on another forum (cannot post the link since i don't have 10posts, but it's in mymathforum. com), and i want to thank everyone who tried to help me.although, i still have to study the solution :D

ok. Two lines are drawn in a diagram. Point O and A are fixed and have coordinates (0,0), (8,6) respectively. The Angle OPA varies as the Point P(x,10) move along the horizontal line y=10. first i have to show that: 1. AP = sqr(x^2 -16x + 80) 2.then I have...

thank you for the effort, but I'm not allowed to use the calculator:-(

i am not allowed to use the calculator, so it would be both? When i use the cosine rule, I get stuck after expanding the bracket.(using the cosine rule I've said 10^2 = [sqr(x^2 -16x+80)]^2 + [sqr(x^2 +100)]^2 - 2*sqr(x^2 -16x+80)* sqr(x^2 +100) * cos...

Hello guys! I'm new to this forum, so I apologize if this Q is in the wrong thread -it's a mixture of trigonometry and algebra. I've tried to solve it but i don't get the correct answer. I am given a triangle, whose sides i had to calculate, which i have done, and the results are correct. so...