Cos x is negative and sin x is negative.Which of the foll...
Cos x is negative and sin x is negative.Which of the following is true of x?
0o < x < 90o
90o < x <180o
180o < x < 270o
270o < x <360o
-90o < x <90o
Correct answer is C
In the 3rd quadrant, only the tan of angles are positive.
The 3rd quadrant = 180° < x < 270°
A man invested N5,000 for 9 months at 4%. What is the simple interest? ...
Determine the value of ∫π20(−2cosx)dx ...
Which of the following is not an exterior angle of a regular polygon? ...
What is the size of angle x in the diagram ...
A rectangle with width 34cm and area 3 38cm2. Find the length...
In the figure, PS = SR and Rx is a tangent to the circle at R, < QRX is equal to 72o. ...