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# Frank Modern Certificate Solution for Class 9 Mathematics Chapter 27 - Trigonometrical Ratios of Standard Angles

## Frank Textbook Solutions Chapter 27 - Trigonometrical Ratios of Standard Angles

Frank Textbook Solutions are considered extremely helpful for solving difficult questions in the ICSE Class 9 Mathematics exam. TopperLearning Textbook Solutions are compiled by our subject experts. Herein, you can find all the answers to the questions of   Chapter 27 - Trigonometrical Ratios of Standard Angles for the Frank textbook.

Frank Textbook Solutions for class 9  are in accordance with the latest ICSE syllabus, and they are amended from time to time to be most relevant. Our free Frank Textbook Solutions for ICSE Class 9 Mathematics will give you deeper insight on the chapters and will help you to score more marks in the final examination. ICSE Class 9 students can refer to our solutions while doing their homework and while preparing for the exam.

Exercise/Page

Solution 1

Solution 2

Solution 3(a)

Solution 3(b)

Solution 3(c)

Solution 3(d)

Solution 4(a)

Solution 4(b)

Solution 4(c)

Solution 4(d)

Solution 4(e)

Solution 4(f)

Solution 5(a)

Solution 5(b)

Solution 6

Solution 7(a)

Solution 7(b)

Solution 7(c)

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12(a)

Solution 12(b)

Solution 12(c)

Solution 12(d)

Solution 12(e)

Solution 13(a)

Solution 13(b)

Solution 14

Solution 15

Solution 16(a)

Solution 16(b)

Solution 16(c)

Solution 16(d)

Solution 17(a)

Solution 17(b)

Solution 18

Solution 19(a)

Solution 19(b)

Solution 20(a)

Solution 20(b)

Solution 20(c)

Solution 21

Solution 22

Solution 23

Solution 24

Solution 25

Solution 26

Solution 27

## Frank Modern Certificate Solution for Class 9 Mathematics Chapter 27 - Trigonometrical Ratios of Standard Angles Page/Excercise 27.2

Solution 14

Solution 15

2

Solution 16

Solution 1(a)

Solution 1(b)

Solution 1(c)

Solution 1(d)

Solution 2

Solution 3

Solution 4

Construction: Draw DP AB and CM AB

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9(a)

Solution 9(b)

Solution 9(c)

Solution 9(d)

Solution 9(e)

Solution 9(f)

Solution 10(a)

Construction: Draw BX AE

Then, BD = EX = 14 cm and BX = ED

AX = AE - EX = 16 - 14 = 2

Solution 10(b)

Solution 11

Solution 12(a)

Solution 12(b)

Solution 13

Solution 17

Consider the following figure,

Solution 18

Solution 19

Consider the following figure,

Solution 20

Solution 21

Draw QM RS.

Clearly, RQM = 30°

Solution 1(a)

Solution 1(b)

Solution 1(c)

Solution 1(d)

Solution 1(e)

Solution 1(f)

Solution 2(a)

Solution 2(b)

Solution 2(c)

Solution 2(d)

Solution 2(e)

Solution 2(f)

Solution 3(a)

Solution 3(b)

Solution 3(c)

Solution 3(d)

Solution 4(a)

Solution 4(b)

Solution 4(c)

Solution 4(d)

Solution 4(e)

Solution 4(f)

Solution 5(a)

Solution 5(b)

Solution 5(c)

Solution 5(d)

Solution 5(e)

Solution 5(f)

Solution 5(g)

Solution 5(h)

Solution 5(i)

Solution 5(j)

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12

Solution 13

Solution 14(a)

Solution 14(b)

Solution 14(c)

Solution 14(d)

Solution 15

## Browse Study Material

TopperLearning provides step-by-step solutions for each question in each chapter in the Frank textbook recommended by ICSE schools. Access Chapter 27 - Trigonometrical Ratios of Standard Angles here. Our Frank Textbook Solutions for ICSE Class 9 Mathematics are designed by our subject matter experts. These solutions will help you to revise the whole chapter, so you can clear your fundamentals before the examination.

# Text Book Solutions

ICSE IX - Mathematics

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