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العربية

0.175=0.34sin(93.4x)

الحلّ

0.175 = 0.34 sin (93.4 x)

x = \frac{0.54066 \dots}{93.4} + \frac{2 πn}{93.4}, x = \frac{π}{93.4} - \frac{0.54066 \dots}{93.4} + \frac{2 πn}{93.4}

درجات

x = 0.33166 \dots^{\circ} + 3.85438 \dots^{\circ} n, x = 1.59552 \dots^{\circ} + 3.85438 \dots^{\circ} n

خطوات الحلّ

0.175 = 0.34 sin (93.4 x)

بدّل الأطراف

0.34 sin (93.4 x) = 0.175

1000

اضرب الطرفين بـ

0.34 sin (93.4 x) = 0.175

To eliminate decimal points, multiply by 10 for every digit after the decimal pointThere are

3

digits to the right of the decimal point, therefore multiply by

1000

0.34 sin (93.4 x) \cdot 1000 = 0.175 \cdot 1000

بسّط

340 sin (93.4 x) = 175

340 sin (93.4 x) = 175

340

اقسم الطرفين على

340 sin (93.4 x) = 175

340

اقسم الطرفين على

\frac{340 sin ( 93.4 x )}{340} = \frac{175}{340}

بسّط

sin (93.4 x) = \frac{35}{68}

sin (93.4 x) = \frac{35}{68}

Apply trig inverse properties

sin (93.4 x) = \frac{35}{68}

sin (93.4 x) = \frac{35}{68} :

حلول عامّة لـ

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

93.4 x = arcsin (\frac{35}{68}) + 2 πn, 93.4 x = π - arcsin (\frac{35}{68}) + 2 πn

93.4 x = arcsin (\frac{35}{68}) + 2 πn, 93.4 x = π - arcsin (\frac{35}{68}) + 2 πn

93.4 x = arcsin (\frac{35}{68}) + 2 πn

حلّ:

x = \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

93.4 x = arcsin (\frac{35}{68}) + 2 πn

93.4

اقسم الطرفين على

93.4 x = arcsin (\frac{35}{68}) + 2 πn

93.4

اقسم الطرفين على

\frac{93.4 x}{93.4} = \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

بسّط

x = \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

x = \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

93.4 x = π - arcsin (\frac{35}{68}) + 2 πn

حلّ:

x = \frac{π}{93.4} - \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

93.4 x = π - arcsin (\frac{35}{68}) + 2 πn

93.4

اقسم الطرفين على

93.4 x = π - arcsin (\frac{35}{68}) + 2 πn

93.4

اقسم الطرفين على

\frac{93.4 x}{93.4} = \frac{π}{93.4} - \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

بسّط

x = \frac{π}{93.4} - \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

x = \frac{π}{93.4} - \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

x = \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}, x = \frac{π}{93.4} - \frac{arcsin ( \frac{35}{68} )}{93.4} + \frac{2 πn}{93.4}

أظهر الحلّ بالتمثيل العشريّ

x = \frac{0.54066 \dots}{93.4} + \frac{2 πn}{93.4}, x = \frac{π}{93.4} - \frac{0.54066 \dots}{93.4} + \frac{2 πn}{93.4}

cos (B) = 2425, tan (B)

1 - tan^{4} (a) cos^{4} (a) = 1 - 2 sin^{2} (a)

cos (0.5 x) = 0.5, - π \leq x \leq π

sin (2 x + 3 0^{\circ}) = - \frac{3}{2}

8 tan^{2} (θ) - 1 = 7 tan (θ)