What is the general solution for 20=15cos(x)*2,47 ?

The general solution for 20=15cos(x)*2,47 is No Solution for x\in\mathbb{R}

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20=15cos(x)*2,47

20 = 15 cos (x) \cdot 2, 47

No Solution for x \in R

Solution steps

20 = 15 cos (x) \cdot 2, 47

Switch sides

15 cos (x) \cdot 2 = 20

Divide both sides by

15 \cdot 2

cos (x) = \frac{2}{3}

Apply trig inverse properties

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

Solutions for the range

47

No Solution for x \in R

\frac{[ sin ( x ) + cos ( x ) ]}{cos ( x )} = sin (x) + 1

cos (A) = 0.4639

csc (A) = \frac{9.43}{5}

cos (x) cos (3 5^{\circ}) = 1 - sin (x) sin (3 5^{\circ})

4 sin^{2} (x) + 2 sin (x) = 2, 0 \leq x \leq 2 π

What is the general solution for 20=15cos(x)*2,47 ?
The general solution for 20=15cos(x)*2,47 is No Solution for x\in\mathbb{R}