half angle of sin?
half angle of sin?
SAIMANIKANTA , 10 Years ago
Grade 12
Trigonometry> half angle of sin?...
5 Answers
HARINATH
sina/2,sinb/2
Shantanu Singh
2sin(a/2)cos(a/2)
SEELA YUVARAJU
2
SEELA YUVARAJU
2sin(a/2)cos(a/2)
SAI SARDAR
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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