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half angle of sin?

half angle of sin?

Grade:12

5 Answers

HARINATH
90 Points
8 years ago
sina/2,sinb/2
Shantanu Singh
87 Points
8 years ago
2sin(a/2)cos(a/2)
SEELA YUVARAJU
226 Points
8 years ago
2
SEELA YUVARAJU
226 Points
8 years ago
2sin(a/2)cos(a/2)
SAI SARDAR
1700 Points
8 years ago
half angle if sine is
sina = 2sin(a/2)cos(a/2).
it is from the equation of
sina = 2sinacosa.
 if you like my answer plz approve it.

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