WorksheetsQ2.Quick Check 2.Mathematics 10
Total questions: 10
Worksheet time: 32mins
The position vectors
B, C, D and E are u, v, w and a respectively . Express CD in terms of these position vectors.
w−u
w−v
v−a
a−v
Given that Q is the midpoint of RS , express SR as column vector.
The position vectors B, C, D and E are u, v, w and a respectively. Express DE in terms of these position vectors.
w−a
v−a
a−w
a−v
Express cos 134° in terms of trigonometrical ratios of acute angles.
−cos 46°
cos 46°
sin 46°
−sin 46°
Given that 0°<A<180° , find A , correct to the nearest degree, if cos A= −0.8988 .
A=152 °
A= 153°
A=154 °
A=155°
Express sin 128° in terms of trigonometrical ratios of acute angles.
−sin = 128°
−cos=128°
sin=52°
cos=52°
Which of the following ratios is undefined?
cos 90°
tan 90°
In ΔABC , C=28° , B=78° and AC= 300mm . Find the value of ∠C .
74°
132°
152°
76°
In ΔABC , C=28° , B=78° and AC=300 mm . Find the value of BC .
140 mm
135 mm
144 mm
147 mm
In ΔABC , AC=8m , BC=10m and A=30° . Find ∠B .
25°
156.42°
23.6°
30°
