Mathematics

Mathematics, 03.11.2020 19:20, kcarstensen59070

Which expression is equivalent to (tangent (StartFraction theta Over 2 EndFraction) ) (negative sine theta)? – 1 – cos(ϴ)
– 1 + cos(ϴ)
1 + cos(ϴ)
1 – cos(ϴ)

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