ICSE Board Practice

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ICSE Grade IX - Trigonometrical Ratios

Question 1

1.	In the given figure, cot Q =
	QO OP PQ QO PQ OP RQ QP OQ QP

Question 2

2.	In the given figure, cot P =
	4 3 4 4 5 2 3 2

Question 3

3.	Given   cot B = 12 5 , find   cos B
	12 13 5 12 13 5 5 13 13 12

Question 4

4.	Given   cot C = √ 3 , find   sec C
	2 1 2 √ 3 1 3 √ 3 2 3 √ 3 1 2

Question 5

5.	cot 45° =
	( − 1 ) 1 0 4 2

Question 6

6.	In the given figure, sin D =
	DC BC DC EC DB CB BC BD BC DC

Question 7

7.	In △PQR , right angled at Q , if PQ = 35 cm and QR = 12 cm , find cosec P
	37 12 37 14 13 4 37 10 35 12

Question 8

8.	Given   cos K = 3 5 , find   cot K
	5 4 3 4 4 5 4 3 5 3

Question 9

9.	In the given figure, if   IK − JK = 2 cm , and IJ = 10 cm , find sin I
	4 5 14 13 12 13 12 11 10 13

Question 10

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

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