ICSE Board Practice

Generated 10 Correct 0 (0%) Incorrect 0 (0%)

ICSE Grade IX - Trigonometrical Ratios

Question 1

1.	Find the value of tan 25° tan 10° tan 65° tan 80°
	undefined 1 0 -1 2

Question 2

2.	In the given figure, △BDC is right angled at C. If BC = 26 cm and ∠D = 60°, find CD
	13 √ 2 cm 26 3 √ 3 cm 26 3 √ 18 cm 26 cm 26 3 cm

Question 3

3.	cos 16° sin 42°   −   sin 74° cos 48° =
	-1 2 sin 42° 2 sin 16° 1 0

Question 4

4.	If   cot θ =   3 7 , find       ( 1   +   sin θ ) ( 1   −   sin θ )     ( 1   −   cos θ ) ( 1   +   cos θ )
	9 49 1 7 11 49 3 17 9 47

Question 5

5.	tan 80° cot 10° =
	-1 tan 10° tan 80° 1 0

Question 6

6.	Given   sin F = 1 2 , find   cot F
	2 3 √ 3 1 3 √ 3 1 2 √ 3 √ 3 2

Question 7

7.	Given that 17 cos θ  =  15 , find       sec θ
	17 8 15 8 8 15 17 15 8 17

Question 8

8.	Given   tan P = 5 12 √ 6 , find   sin P
	7 12 √ 6 7 5 2 5 √ 6 2 7 √ 6 5 7

Question 9

9.	In the given figure, if   EG + FG = 18 cm , and EF = 6 cm , find cos E
	1 5 3 7 3 5 1

Question 10

10.	tan J =
	1     cot J     1     sin J     1     cos J     1     cosec J     1     sec J

• Verify Response
• More Questions