1.If A={x/x is alogarithm of one} then find n(A)
Answers
Answered by
4
Step-by-step explanation:
cos
4
x
+
θ
2
sin
4
x
=
θ
1
+θ
2
1
⇒(θ
1
+θ
2
)(
θ
1
cos
4
x
+
θ
2
sin
4
x
)=1
⇒(θ
1
+θ
2
)(
θ
1
cos
4
x
+
θ
2
sin
4
x
)=(sin
2
x+cos
2
x)
2
⇒(θ
1
+θ
2
)(
θ
1
cos
4
x
+
θ
2
sin
4
x
)=sin
4
x+cos
4
x+2sin
2
xcos
2
x
⇒(θ
1
+θ
2
)θ
2
cos
4
x+(θ
1
+θ
2
)θ
1
sin
4
x=θ
1
θ
2
sin
4
x+θ
1
θ
2
cos
4
x+θ
1
θ
2
2sin
2
xcos
2
x
⇒θ
2
2
cos
4
x+θ
1
2
sin
4
x−θ
1
θ
2
2sin
2
xcos
2
x=0
⇒
θ
1
θ
2
cos
4
x+
θ
2
θ
1
sin
4
x−2sin
2
xcos
2
x=0
⇒
⎝
⎛
θ
1
θ
2
cos
2
x
−
θ
2
θ
1
sin
2
x
⎠
⎞
2
=0
⇒tan
2
x=
θ
1
θ
2
Answered by
2
Answer:
beta ular wala sahi hai jara brainlist banado uoar walae ko xD 30 thnx meri taraf se xD
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