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Byju's Answer
Standard IX
Mathematics
Use of Trigonometric Table
If sinθ=12 ...
Question
If
sin
θ
=
1
2
then find
cos
θ
Open in App
Solution
sin
θ
=
1
2
⇒
θ
=
30
∘
⇒
cos
θ
=
cos
30
∘
=
√
3
2
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