NEW
Font size
WorksheetsONLINE TEST - INTRODUCTION TO TRIGONOMETRY
Total questions: 10
Worksheet time: 50mins
In a right triangle ABC, the right angle is at B. Which of the following is true about the other two angles A and C?
There is no restriction on the measure of the angles
Both the angles should be obtuse
Both the angles should be acute
One of the angles is acute and the other is obtuse
If sin A = 8/17, the value of secA cosA + cosecA cosA is
23/8
15/8
8/15
6/23
In △PQR, PQ = 12 cm and PR = 13 cm, ∠Q=90°, the value of tan P – cot R is
–(119/60)
119/60
0
1
If tan2A = cot(A-18°), then value of A is
27°
24°
36°
18°
In the given triangle right angled at B, which pair of angles are complementary?
None of these
C and A
A and B
B and C
The value cot2 30°−2cos2 60°−3/4sec2 45°−4sin2 30° is
2
-1
1
0
Value of (sin30° + cos30°) – (sin 60° + cos60°) is
-1
0
1
2
If cos A = 4/5, then tan A = ?
3/5
3/4
4/3
4/5
If sin A = 1/2 and cos B = 1/2, then A + B = ?
00
300
600
900
2/3
1/3
1/2
3/4
