Question

АВ
Olllllarly for the angle (90° - ө), We have
sin0 =
cosece
Ас
АС
ВС
АВ
АС
cos 9-
seco=
.... (1)
АС
АВ
ВС
ВС
sin(90° - 0) =
ВС
АС
АВ
cos(90° — 0) =
АС
ВС
tan(90° — 0) =
АВ
cosec(909 - 0) =
АС
ВС
АС
sec(90° - 0)
АВ
АВ
cot(90° — 0) =
ВС
(2)
tanA=
cot 0 =
ВС
АВ
Comparing (1) and (2), we get
sin e
cos(90° — 0)
cosece = sec(90° — 0)
cose
sin(90° — 0)
sec
cosec(90° — 0)
tane
cot(90° — 0)
cote
tan(90° — 0)
Example 6.7
Express (i) sin 74° in terms of cosine (ii) tan 12° in terms of
cotangent (iii) cosec39° in terms of secant
Solution​

Answer 1

Answer:

mark brainliast ueudhdjwojshshsishshd

Answer 2

Answer:

Step-by-step explanation: don't know sorry