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受欢迎的三角函数 >

sin(θ)=-5/6

解答

sin (θ) = - \frac{5}{6}

解答

θ = - 0.98511 \dots + 2 πn, θ = π + 0.98511 \dots + 2 πn

+1

度数

θ = - 56.44269 \dots^{\circ} + 36 0^{\circ} n, θ = 236.44269 \dots^{\circ} + 36 0^{\circ} n

求解步骤

sin (θ) = - \frac{5}{6}

使用反三角函数性质

sin (θ) = - \frac{5}{6}

sin (θ) = - \frac{5}{6}

的通解

sin (x) = - a \Rightarrow x = arcsin (- a) + 2 πn, x = π + arcsin (a) + 2 πn

θ = arcsin (- \frac{5}{6}) + 2 πn, θ = π + arcsin (\frac{5}{6}) + 2 πn

θ = arcsin (- \frac{5}{6}) + 2 πn, θ = π + arcsin (\frac{5}{6}) + 2 πn

以小数形式表示解

θ = - 0.98511 \dots + 2 πn, θ = π + 0.98511 \dots + 2 πn

作图

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