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3*2=(50sin(x))/(9.8)

解答

3 \cdot 2 = \frac{50 sin ( x )}{9.8}

解答

x \in R 无解

求解步骤

3 \cdot 2 = \frac{50 sin ( x )}{9.8}

交换两边

\frac{50 sin ( x )}{9.8} = 3 \cdot 2

数字相乘:

3 \cdot 2 = 6

\frac{50 sin ( x )}{9.8} = 6

在两边乘以

9.8

\frac{50 sin ( x )}{9.8} = 6

在两边乘以

9.8

\frac{9.8 \cdot 50 sin ( x )}{9.8} = 6 \cdot 9.8

化简

50 sin (x) = 58.8

50 sin (x) = 58.8

两边除以

50

50 sin (x) = 58.8

两边除以

50

\frac{50 sin ( x )}{50} = \frac{58.8}{50}

化简

sin (x) = 1.176

sin (x) = 1.176

- 1 \leq sin (x) \leq 1

x \in R 无解

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cos(2x+5)=sin(2x)

cos (2 x + 5) = sin (2 x)

sin(2θ)+3cos(θ)=cos(θ)

sin (2 θ) + 3 cos (θ) = cos (θ)

1+cos(θ)=1+sin(θ)

1 + cos (θ) = 1 + sin (θ)

500=538cos(x-10)

500 = 538 cos (x - 1 0^{\circ})

0=sec^2(x)e^{tan(x)}(2tan(x)+sec^2(x))

0 = sec^{2} (x) e^{t a n (x)} (2 tan (x) + sec^{2} (x))