RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 60 of Very short answer

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60

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Find the value of .


Given tan-1 (tan 9π/8)


= tan-1 [tan (π + π/8)]


= tan-1 (tan π/8)


= π/8


∴ tan-1 (tan 9π/8) = π/8


Chapter Exercises

Exercise 4.1
Exercise 4.2
Exercise 4.3
Exercise 4.4
Exercise 4.5
Exercise 4.6
Exercise 4.7
Exercise 4.8
Exercise 4.9
Exercise 4.10
Exercise 4.11
Exercise 4.12
Exercise 4.13
Exercise 4.14
Very short answer
MCQ

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1

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2

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3

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4

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5

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6

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7

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8

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9

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10

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11

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12

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13

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14

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15

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16

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17

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18

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19

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20

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21

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22

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23

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24

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25

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26

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27

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of .
28

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

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29

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30

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31

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32

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33

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34

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35

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36

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37

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38

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39

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40

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41

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42

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43

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44

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45

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46

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47

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48

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Write the value of .
49

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Write the value of


50

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Write the value of the expression , when .
51

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52

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53

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54

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55

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56

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57

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58

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59

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60

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