Mathematics, 11.02.2021 01:00 goverton101

Find the exact value of sin(140°)cos(20°) – cos(140°)sin(20°). Negative one-half Negative StartFraction StartRoot 3 EndRoot Over 2 EndFraction StartFraction StartRoot 3 EndRoot Over 2 EndFraction One-half

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Find the exact value of sin(140°)cos(20°) – cos(140°)sin(20°). Negative one-half Negative StartFract...