What is the general solution for sin(2x-0.35)=cos(3x) ?

The general solution for sin(2x-0.35)=cos(3x) is x=(0.35+pi/2+6.28318…n)/5 ,x=-0.35-6.28318…n-pi/2

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sin(2x-0.35)=cos(3x)

Solution

sin (2 x - 0.35) = cos (3 x)

Solution

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}, x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

Degrees

x = 22.01070 \dots^{\circ} + 7 2^{\circ} n, x = - 110.05352 \dots^{\circ} - 36 0^{\circ} n

Solution steps

sin (2 x - 0.35) = cos (3 x)

Rewrite using trig identities

sin (2 x - 0.35) = cos (3 x)

Use the following identity:

cos (x) = sin (\frac{π}{2} - x)

sin (2 x - 0.35) = sin (\frac{π}{2} - 3 x)

sin (2 x - 0.35) = sin (\frac{π}{2} - 3 x)

Apply trig inverse properties

sin (2 x - 0.35) = sin (\frac{π}{2} - 3 x)

sin (x) = sin (y) \Rightarrow x = y + 2 π n, x = π - y + 2 π n

2 x - 0.35 = \frac{π}{2} - 3 x + 2 πn, 2 x - 0.35 = π - (\frac{π}{2} - 3 x) + 2 πn

2 x - 0.35 = \frac{π}{2} - 3 x + 2 πn, 2 x - 0.35 = π - (\frac{π}{2} - 3 x) + 2 πn

2 x - 0.35 = \frac{π}{2} - 3 x + 2 πn : x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

2 x - 0.35 = \frac{π}{2} - 3 x + 2 πn

Move

0.35

to the right side

2 x - 0.35 = \frac{π}{2} - 3 x + 2 πn

Add

0.35

to both sides

2 x - 0.35 + 0.35 = \frac{π}{2} - 3 x + 2 πn + 0.35

Simplify

2 x - 0.35 + 0.35 = \frac{π}{2} - 3 x + 2 πn + 0.35

Simplify

2 x - 0.35 + 0.35 : 2 x

2 x - 0.35 + 0.35

Add similar elements:

- 0.35 + 0.35 = 0

= 2 x

Simplify

\frac{π}{2} - 3 x + 2 πn + 0.35 : \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

\frac{π}{2} - 3 x + 2 πn + 0.35

Multiply the numbers:

2 \cdot 3.14159 \dots = 6.28318 \dots

= \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

2 x = \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

2 x = \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

2 x = \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

Move

3 x

to the left side

2 x = \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35

Add

3 x

to both sides

2 x + 3 x = \frac{π}{2} - 3 x + 6.28318 \dots n + 0.35 + 3 x

Simplify

5 x = \frac{π}{2} + 6.28318 \dots n + 0.35

5 x = \frac{π}{2} + 6.28318 \dots n + 0.35

Divide both sides by

5

5 x = \frac{π}{2} + 6.28318 \dots n + 0.35

Divide both sides by

5

\frac{5 x}{5} = \frac{\frac{π}{2}}{5} + \frac{6.28318 \dots n}{5} + \frac{0.35}{5}

Simplify

\frac{5 x}{5} = \frac{\frac{π}{2}}{5} + \frac{6.28318 \dots n}{5} + \frac{0.35}{5}

Simplify

\frac{5 x}{5} : x

\frac{5 x}{5}

Divide the numbers:

\frac{5}{5} = 1

= x

Simplify

\frac{\frac{π}{2}}{5} + \frac{6.28318 \dots n}{5} + \frac{0.35}{5} : \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

\frac{\frac{π}{2}}{5} + \frac{6.28318 \dots n}{5} + \frac{0.35}{5}

Group like terms

= \frac{0.35}{5} + \frac{\frac{π}{2}}{5} + \frac{6.28318 \dots n}{5}

Apply rule

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}

2 x - 0.35 = π - (\frac{π}{2} - 3 x) + 2 πn : x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

2 x - 0.35 = π - (\frac{π}{2} - 3 x) + 2 πn

Expand

π - (\frac{π}{2} - 3 x) + 2 πn : π - \frac{π}{2} + 3 x + 2 πn

π - (\frac{π}{2} - 3 x) + 2 πn

- (\frac{π}{2} - 3 x) : - \frac{π}{2} + 3 x

- (\frac{π}{2} - 3 x)

Distribute parentheses

= - (\frac{π}{2}) - (- 3 x)

Apply minus-plus rules

- (- a) = a, - (a) = - a

= - \frac{π}{2} + 3 x

= π - \frac{π}{2} + 3 x + 2 πn

2 x - 0.35 = π - \frac{π}{2} + 3 x + 2 πn

Move

0.35

to the right side

2 x - 0.35 = π - \frac{π}{2} + 3 x + 2 πn

Add

0.35

to both sides

2 x - 0.35 + 0.35 = π - \frac{π}{2} + 3 x + 2 πn + 0.35

Simplify

2 x - 0.35 + 0.35 = π - \frac{π}{2} + 3 x + 2 πn + 0.35

Simplify

2 x - 0.35 + 0.35 : 2 x

2 x - 0.35 + 0.35

Add similar elements:

- 0.35 + 0.35 = 0

= 2 x

Simplify

π - \frac{π}{2} + 3 x + 2 πn + 0.35 : π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

π - \frac{π}{2} + 3 x + 2 πn + 0.35

Multiply the numbers:

2 \cdot 3.14159 \dots = 6.28318 \dots

= π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

2 x = π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

2 x = π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

2 x = π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

Move

3 x

to the left side

2 x = π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35

Subtract

3 x

from both sides

2 x - 3 x = π - \frac{π}{2} + 3 x + 6.28318 \dots n + 0.35 - 3 x

Simplify

- x = π - \frac{π}{2} + 6.28318 \dots n + 0.35

- x = π - \frac{π}{2} + 6.28318 \dots n + 0.35

Divide both sides by

- 1

- x = π - \frac{π}{2} + 6.28318 \dots n + 0.35

Divide both sides by

- 1

\frac{- x}{- 1} = \frac{π}{- 1} - \frac{\frac{π}{2}}{- 1} + \frac{6.28318 \dots n}{- 1} + \frac{0.35}{- 1}

Simplify

\frac{- x}{- 1} = \frac{π}{- 1} - \frac{\frac{π}{2}}{- 1} + \frac{6.28318 \dots n}{- 1} + \frac{0.35}{- 1}

Simplify

\frac{- x}{- 1} : x

\frac{- x}{- 1}

Apply the fraction rule:

\frac{- a}{- b} = \frac{a}{b}

= \frac{x}{1}

Apply rule

\frac{a}{1} = a

= x

Simplify

\frac{π}{- 1} - \frac{\frac{π}{2}}{- 1} + \frac{6.28318 \dots n}{- 1} + \frac{0.35}{- 1} : - 0.35 - 6.28318 \dots n - \frac{π}{2}

\frac{π}{- 1} - \frac{\frac{π}{2}}{- 1} + \frac{6.28318 \dots n}{- 1} + \frac{0.35}{- 1}

Group like terms

= \frac{π}{- 1} + \frac{0.35}{- 1} - \frac{\frac{π}{2}}{- 1} + \frac{6.28318 \dots n}{- 1}

Apply rule

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{π + 0.35 - \frac{π}{2} + 6.28318 \dots n}{- 1}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{π + 0.35 - \frac{π}{2} + 6.28318 \dots n}{1}

Join

π + 0.35 - \frac{π}{2} + 6.28318 \dots n : 0.35 + 6.28318 \dots n + \frac{π}{2}

π + 0.35 - \frac{π}{2} + 6.28318 \dots n

Convert element to fraction:

π = \frac{π 2}{2}

= \frac{π 2}{2} - \frac{π}{2}

Since the denominators are equal, combine the fractions:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{π 2 - π}{2}

Add similar elements:

2 π - π = π

= \frac{π}{2}

= - \frac{6.28318 \dots n + 0.35 + \frac{π}{2}}{1}

Apply the fraction rule:

\frac{a}{1} = a

\frac{0.35 + 6.28318 \dots n + \frac{π}{2}}{1} = 0.35 + 6.28318 \dots n + \frac{π}{2}

= - (0.35 + 6.28318 \dots n + \frac{π}{2})

Distribute parentheses

= - (0.35) - (6.28318 \dots n) - (\frac{π}{2})

Apply minus-plus rules

+ (- a) = - a

= - 0.35 - 6.28318 \dots n - \frac{π}{2}

x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}, x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

x = \frac{0.35 + \frac{π}{2} + 6.28318 \dots n}{5}, x = - 0.35 - 6.28318 \dots n - \frac{π}{2}

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Frequently Asked Questions (FAQ)

What is the general solution for sin(2x-0.35)=cos(3x) ?
The general solution for sin(2x-0.35)=cos(3x) is x=(0.35+pi/2+6.28318…n)/5 ,x=-0.35-6.28318…n-pi/2