A man stands on a tree 150cm high and sees a boat at an a...
A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.
52cm
43cm
40cm
15cm
Correct answer is B
Tan 74 = 150/x x = 150/tan 74 = 43.01cm
Evaluate \(\int_{0} ^{\frac{\pi}{2}} \sin x \mathrm d x\)...
Find the value of x in the equation 3x\(^2\) - 8x - 3 = 0...
Factorize: x + y - ax = ay ...
If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8 then (M, D) is...
simplify \(\frac{1}{√3 - 2}\) - \(\frac{1}{√3 + 2}\)...
The sum of 2 consecutive whole numbers is \(\frac{5}{6}\) of their product, find the numbers...
P varies inversely as the square of W. When W = 4, P = 9. Find the value of P when W = 9...