What is the general solution for 4^{1/3}sec(x)=4(1/(4^{1/3)})csc(x) ?

The general solution for 4^{1/3}sec(x)=4(1/(4^{1/3)})csc(x) is x=1.00863…+pin

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4^{1/3}sec(x)=4(1/(4^{1/3)})csc(x)

Solution

4^{\frac{1}{3}} sec (x) = 4 (\frac{1}{4 ^{\frac{1}{3}}}) csc (x)

Solution

x = 1.00863 \dots + πn

Degrees

x = 57.79069 \dots^{\circ} + 18 0^{\circ} n

Solution steps

4^{\frac{1}{3}} sec (x) = 4 (\frac{1}{4 ^{\frac{1}{3}}}) csc (x)

Subtract

4 \frac{1}{4 ^{\frac{1}{3}}} csc (x)

from both sides

4^{\frac{1}{3}} sec (x) - 4^{\frac{2}{3}} csc (x) = 0

Express with sin, cos

4^{\frac{1}{3}} sec (x) - 4^{\frac{2}{3}} csc (x)

Use the basic trigonometric identity:

sec (x) = \frac{1}{cos ( x )}

= 4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )} - 4^{\frac{2}{3}} csc (x)

Use the basic trigonometric identity:

csc (x) = \frac{1}{sin ( x )}

= 4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )} - 4^{\frac{2}{3}} \cdot \frac{1}{sin ( x )}

Simplify

4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )} - 4^{\frac{2}{3}} \cdot \frac{1}{sin ( x )} : \frac{4 ^{\frac{1}{3}} sin ( x ) - 4 ^{\frac{2}{3}} cos ( x )}{cos ( x ) sin ( x )}

4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )} - 4^{\frac{2}{3}} \cdot \frac{1}{sin ( x )}

4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )} = \frac{4 ^{\frac{1}{3}}}{cos ( x )}

4^{\frac{1}{3}} \cdot \frac{1}{cos ( x )}

Multiply fractions:

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

= \frac{1 \cdot 4 ^{\frac{1}{3}}}{cos ( x )}

Multiply:

1 \cdot 4^{\frac{1}{3}} = 4^{\frac{1}{3}}

= \frac{4 ^{\frac{1}{3}}}{cos ( x )}

4^{\frac{2}{3}} \cdot \frac{1}{sin ( x )} = \frac{4 ^{\frac{2}{3}}}{sin ( x )}

4^{\frac{2}{3}} \cdot \frac{1}{sin ( x )}

Multiply fractions:

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

= \frac{1 \cdot 4 ^{\frac{2}{3}}}{sin ( x )}

Multiply:

1 \cdot 4^{\frac{2}{3}} = 4^{\frac{2}{3}}

= \frac{4 ^{\frac{2}{3}}}{sin ( x )}

= \frac{4 ^{\frac{1}{3}}}{cos ( x )} - \frac{4 ^{\frac{2}{3}}}{sin ( x )}

Least Common Multiplier of

cos (x), sin (x) : cos (x) sin (x)

cos (x), sin (x)

Lowest Common Multiplier (LCM)

Compute an expression comprised of factors that appear either in

cos (x)

sin (x)

= cos (x) sin (x)

Adjust Fractions based on the LCM

Multiply each numerator by the same amount needed to multiply its

corresponding denominator to turn it into the LCM

cos (x) sin (x)

For

\frac{4 ^{\frac{1}{3}}}{cos ( x )} :

multiply the denominator and numerator by

sin (x)

\frac{4 ^{\frac{1}{3}}}{cos ( x )} = \frac{4 ^{\frac{1}{3}} sin ( x )}{cos ( x ) sin ( x )}

For

\frac{4 ^{\frac{2}{3}}}{sin ( x )} :

multiply the denominator and numerator by

cos (x)

\frac{4 ^{\frac{2}{3}}}{sin ( x )} = \frac{4 ^{\frac{2}{3}} cos ( x )}{sin ( x ) cos ( x )}

= \frac{4 ^{\frac{1}{3}} sin ( x )}{cos ( x ) sin ( x )} - \frac{4 ^{\frac{2}{3}} cos ( x )}{sin ( x ) cos ( x )}

Since the denominators are equal, combine the fractions:

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

= \frac{4 ^{\frac{1}{3}} sin ( x ) - 4 ^{\frac{2}{3}} cos ( x )}{cos ( x ) sin ( x )}

= \frac{4 ^{\frac{1}{3}} sin ( x ) - 4 ^{\frac{2}{3}} cos ( x )}{cos ( x ) sin ( x )}

\frac{4 ^{\frac{1}{3}} sin ( x ) - 4 ^{\frac{2}{3}} cos ( x )}{cos ( x ) sin ( x )} = 0

\frac{f ( x )}{g ( x )} = 0 \Rightarrow f (x) = 0

4^{\frac{1}{3}} sin (x) - 4^{\frac{2}{3}} cos (x) = 0

Rewrite using trig identities

4^{\frac{1}{3}} sin (x) - 4^{\frac{2}{3}} cos (x) = 0

Divide both sides by

cos (x), cos (x) \neq = 0

\frac{4 ^{\frac{1}{3}} sin ( x ) - 4 ^{\frac{2}{3}} cos ( x )}{cos ( x )} = \frac{0}{cos ( x )}

Simplify

\frac{4 ^{\frac{1}{3}} sin ( x )}{cos ( x )} - 4^{\frac{2}{3}} = 0

Use the basic trigonometric identity:

\frac{sin ( x )}{cos ( x )} = tan (x)

4^{\frac{1}{3}} tan (x) - 4^{\frac{2}{3}} = 0

4^{\frac{1}{3}} tan (x) - 4^{\frac{2}{3}} = 0

Move

4^{\frac{2}{3}}

to the right side

4^{\frac{1}{3}} tan (x) - 4^{\frac{2}{3}} = 0

Add

4^{\frac{2}{3}}

to both sides

4^{\frac{1}{3}} tan (x) - 4^{\frac{2}{3}} + 4^{\frac{2}{3}} = 0 + 4^{\frac{2}{3}}

Simplify

4^{\frac{1}{3}} tan (x) = 4^{\frac{2}{3}}

4^{\frac{1}{3}} tan (x) = 4^{\frac{2}{3}}

Divide both sides by

4^{\frac{1}{3}}

4^{\frac{1}{3}} tan (x) = 4^{\frac{2}{3}}

Divide both sides by

4^{\frac{1}{3}}

\frac{4 ^{\frac{1}{3}} tan ( x )}{4 ^{\frac{1}{3}}} = \frac{4 ^{\frac{2}{3}}}{4 ^{\frac{1}{3}}}

Simplify

\frac{4 ^{\frac{1}{3}} tan ( x )}{4 ^{\frac{1}{3}}} = \frac{4 ^{\frac{2}{3}}}{4 ^{\frac{1}{3}}}

Simplify

\frac{4 ^{\frac{1}{3}} tan ( x )}{4 ^{\frac{1}{3}}} : tan (x)

\frac{4 ^{\frac{1}{3}} tan ( x )}{4 ^{\frac{1}{3}}}

Cancel the common factor:

4^{\frac{1}{3}}

= tan (x)

Simplify

\frac{4 ^{\frac{2}{3}}}{4 ^{\frac{1}{3}}} : 4^{\frac{1}{3}}

\frac{4 ^{\frac{2}{3}}}{4 ^{\frac{1}{3}}}

Apply exponent rule:

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

\frac{4 ^{\frac{2}{3}}}{4 ^{\frac{1}{3}}} = 4^{\frac{2}{3} - \frac{1}{3}}

= 4^{\frac{2}{3} - \frac{1}{3}}

Subtract the numbers:

\frac{2}{3} - \frac{1}{3} = \frac{1}{3}

= 4^{\frac{1}{3}}

tan (x) = 4^{\frac{1}{3}}

tan (x) = 4^{\frac{1}{3}}

tan (x) = 4^{\frac{1}{3}}

Apply trig inverse properties

tan (x) = 4^{\frac{1}{3}}

General solutions for

tan (x) = 4^{\frac{1}{3}}

tan (x) = a \Rightarrow x = arctan (a) + πn

x = arctan (4^{\frac{1}{3}}) + πn

x = arctan (4^{\frac{1}{3}}) + πn

Show solutions in decimal form

x = 1.00863 \dots + πn

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Frequently Asked Questions (FAQ)

What is the general solution for 4^{1/3}sec(x)=4(1/(4^{1/3)})csc(x) ?
The general solution for 4^{1/3}sec(x)=4(1/(4^{1/3)})csc(x) is x=1.00863…+pin