If cos 60° = 1/2, which of the following angle h...
If cos 60° = 1/2, which of the following angle has cosine of -1/2?
30o
120o
150o
210o
300o
Correct answer is B
cos 60° = 1/2, cos(180° - 60°) = -1/2
cos120° = -1/2
If 2257 is the result of subtracting 4577 from 7056 in base n, find n ...
Find the median of the following numbers 2.64, 2.50, 2.72, 2.91 and 2.35. ...
Find the inequality which represents the shaded portion in the diagram ...
Solve without using tables log5(62.5) - log5(12)...
The minimum value of y in the equation y = x2 - 6x + 8 is...
The median of the distribution is ...
If b = a + cp and r = ab + 12cp2, express b2 in terms of a, c, r....
How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a circular table ...