Solve the equation 4 sin²co-3 =0
Answers
Answered by
1
Step-by-step explanation:
Explanation:
Let
z
=
sin
(
x
)
Then:
4
z
2
−
3
=
0
z
2
=
3
4
⇒
z
=
√
3
2
⇒
sin
(
x
)
=
√
3
2
sin
−
1
sin
(
x
)
=
sin
−
1
(
√
3
2
)
⇒
x
=
π
3
π
−
π
3
=
2
π
3
2
π
−
2
π
3
=
4
π
3
2
π
−
π
3
=
5
π
3
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