(40pts)
sina sinb = 1/2 * (cosa cosb + sina sinb - cosa cosb + sina sinb)
h...
Mathematics, 20.10.2019 08:00 ximena68
(40pts)
sina sinb = 1/2 * (cosa cosb + sina sinb - cosa cosb + sina sinb)
how do i get from this ^^ to
sina sinb = 1/2 * (2 * sina sinb)
need someone who can explain how to do it
Answers: 1
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