59\(^o\)
60\(^o\)
75\(^o\)
76\(^o\)
Correct answer is A
Cos \(\theta\) = \(\frac{4(12) + (-5)(3)}{\sqrt{12^2 + (-5)^2}\sqrt{4^2 + 3^2}}\)
Cos\(\theta\) = \(\frac{48 - 15}{(\sqrt{189})(\sqrt{25})}\)
\(\theta = cos^{-1}\) (\(\frac{33}{61.28}\))
\(\theta\) = cos\(^{-1}\)0.5367
\(\theta\) = 59\(^o\)
A rectangle has a perimeter of 24m. If its area is to be maximum, find its dimension. ...
Find the area between line y = x + 1 and the x-axis from x = -2 to x = 0. ...
The fourth term of a geometric sequence is 2 and the sixth term is 8. Find the common ratio. ...
Find \(\lim\limits_{x \to 3} (\frac{x^{3} + x^{2} - 12x}{x^{2} - 9})\)...
The equation of a circle is \(3x^{2} + 3y^{2} + 24x - 12y = 15\). Find its radius....
Find the unit vector in the direction of the vector \(-12i + 5j\)...