Trigonometric Identities

Question 1

value of sin 0

Answer 1

0 zero

Question 2

value of sin 30

Answer 2

1/2

Question 3

value of sin 45

Answer 3

√2 / 2

Question 4

value of sin 60

Answer 4

√3 / 2

Question 5

value of sin 90

Answer 5

1

Question 6

value of cos 0

Answer 6

1

Question 7

value of cos 30

Answer 7

√3 / 2

Question 8

value of cos 45

Answer 8

√2 / 2

Question 9

value of cos 60

Answer 9

1/2

Question 10

value of cos 90

Answer 10

0 zero

Question 11

value of tan 0

Answer 11

0 zero

Question 12

value of tan 30

Answer 12

√3 / 3

Question 13

value of tan 45

Answer 13

1

Question 14

value of tan 60

Answer 14

√3

Question 15

value of tan 90

Answer 15

not defined

Question 16

value of cosec 0

Answer 16

X not defined

Question 17

value of cosec 30

Answer 17

2

Question 18

value of cosec 45

Answer 18

√2

Question 19

value of cosec 60

Answer 19

2√3 / 3

Question 20

value of cosec 90

Answer 20

1

Question 21

value of sec 0

Answer 21

1

Question 22

value of sec 30

Answer 22

2√3 / 3

Question 23

value of sec 45

Answer 23

√2

Question 24

value of sec 60

Answer 24

2

Question 25

value of sec 90

Answer 25

X not defined

Question 26

value of cot 0

Answer 26

X not defined

Question 27

value of cot 30

Answer 27

√3

Question 28

value of cot 45

Answer 28

1

Question 29

value of cot 60

Answer 29

√3 / 3

Question 30

value of cot 90

Answer 30

0

Question 31

formula of sin

Answer 31

P/H

Question 32

formula of cos

Answer 32

B/H

Question 33

formula of tan

Answer 33

P/B

Question 34

formula of cosec (reciprocal of sin)

Answer 34

H/P

Question 35

formula of sec (reciprocal of cos)

Answer 35

H/B

Question 36

formula of cot (reciprocal of tan)

Answer 36

B/P