Simplify: Sin4x Cos 4x?

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Simplify: Sin4x Cos 4x?

2007-02-06 14:14:20 · 2 answers · asked by aamna 2 in Science & Mathematics ➔ Mathematics

2 answers

You can do many things with that, remember mathematics are not just one thing, look you can multiply by 2, and divide by 2.

2 sin4x cos4x / 2 = sin8x / 2 ; since 2 sinw cosw = sin2w

so you can simplify it to (sin8x)/2

2007-02-06 14:20:15 · answer #1 · answered by roydavid 1 · 0⤊ 0⤋

(sin 4x)(cos 4x) = Â½sin 8x

2007-02-06 22:17:43 · answer #2 · answered by Northstar 7 · 0⤊ 0⤋