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Mathematics
Mathematics
Problem
Find the value of (i)
sin
22
∘
30
′
\sin 22^\circ 30'
sin
2
2
∘
3
0
′
(ii)
cos
22
∘
30
′
\cos 22^\circ 30'
cos
2
2
∘
3
0
′
(iii)
tan
22
∘
30
′
\tan 22^\circ 30'
tan
2
2
∘
3
0
′
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