R.H.S. = L.H.S.
(11) Iftan A = , then let us determine the values of both sin A and sec A.
(Shos
Ane
n
Answers
Answered by
0
Answer:
dekhchi try kode waktu thamun
Answered by
0
Answer:
L.H.S=(cscA−sinA)(secA−cosA)
=(
sinA
1
−sinA)(
cosA
1
−cosA) where cscA=
sinA
1
and secA=
cosA
1
=(
sinA
1−sin
2
A
)(
cosA
1−cos
2
A
)
=(
sinA
cos
2
A
)(
cosA
sin
2
A
) where 1−sin
2
A=cos
2
A and 1−cos
2
A=sin
2
A
=sinAcosA
R.H.S=
tanA+cotA
1
=
cosA
sinA
+
sinA
cosA
1
=
sinAcosA
sin
2
A+cos
2
A
1
=sinAcosA where sin
2
A+cos
2
A=1
Hence L.H.S=R.H.S
Similar questions