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受欢迎的三角函数 >

sin(x)=-0.12

解答

sin (x) = - 0.12

解答

x = - 0.12028 \dots + 2 πn, x = π + 0.12028 \dots + 2 πn

+1

度数

x = - 6.89210 \dots^{\circ} + 36 0^{\circ} n, x = 186.89210 \dots^{\circ} + 36 0^{\circ} n

求解步骤

sin (x) = - 0.12

使用反三角函数性质

sin (x) = - 0.12

sin (x) = - 0.12

的通解

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

x = arcsin (- 0.12) + 2 πn, x = π + arcsin (0.12) + 2 πn

x = arcsin (- 0.12) + 2 πn, x = π + arcsin (0.12) + 2 πn

以小数形式表示解

x = - 0.12028 \dots + 2 πn, x = π + 0.12028 \dots + 2 πn

作图

流行的例子

tan(θ)= 3/4 ,0<= θ< pi/2

tan (θ) = \frac{3}{4}, 0 \leq θ < \frac{π}{2}

cot (a) = \frac{5}{7}

2 cos^{2} (x - 1) = 0

1/(cot^2(x))+(sqrt(3))/(cot(x))=0

\frac{1}{cot ^{2} ( x )} + \frac{3}{cot ( x )} = 0

solvefor b,(sin(65)}{14}=\frac{sin(b))/9

so l v e f or b, \frac{sin ( 6 5 ^{\circ} )}{14} = \frac{sin ( b )}{9}