Trigonometric Identities Flashcards
1
Q
value of sin 0
A
0 zero
2
Q
value of sin 30
A
1/2
3
Q
value of sin 45
A
√2 / 2
4
Q
value of sin 60
A
√3 / 2
5
Q
value of sin 90
A
1
6
Q
value of cos 0
A
1
7
Q
value of cos 30
A
√3 / 2
8
Q
value of cos 45
A
√2 / 2
9
Q
value of cos 60
A
1/2
10
Q
value of cos 90
A
0 zero
11
Q
value of tan 0
A
0 zero
12
Q
value of tan 30
A
√3 / 3
13
Q
value of tan 45
A
1
14
Q
value of tan 60
A
√3
15
Q
value of tan 90
A
not defined
16
Q
value of cosec 0
A
X not defined
17
Q
value of cosec 30
A
2
18
Q
value of cosec 45
A
√2
19
Q
value of cosec 60
A
2√3 / 3
20
Q
value of cosec 90
A
1
21
Q
value of sec 0
A
1
22
Q
value of sec 30
A
2√3 / 3
23
Q
value of sec 45
A
√2
24
Q
value of sec 60
A
2
25
value of sec 90
X not defined
26
value of cot 0
X not defined
27
value of cot 30
√3
28
value of cot 45
1
29
value of cot 60
√3 / 3
30
value of cot 90
0
31
formula of sin
P/H
32
formula of cos
B/H
33
formula of tan
P/B
34
formula of cosec (reciprocal of sin)
H/P
35
formula of sec (reciprocal of cos)
H/B
36
formula of cot (reciprocal of tan)
B/P
