Solve a=39*sin(49^circ)/sin(71^circ)

$$a = \frac { 39 \times \sin ( 49 ^ { \circ } ) } { \sin ( 71 ^ { \circ } ) }$$

Solve for a

$$a = \frac{294336736286881080}{9455185755993167} = 31\frac{1225977851092880}{9455185755993168} \approx 31.129661953$$

Steps for Solving Linear Equation

Evaluate trigonometric functions in the problem

$$a = \frac{39 \cdot 0.754709580222772}{0.9455185755993167}$$

Multiply 39 and 0.754709580222772 to get 29.433673628688108.

$$a=\frac{29.433673628688108}{0.9455185755993167}$$

Expand \frac{29.433673628688108}{0.9455185755993167} by multiplying both numerator and the denominator by 10000000000000000.

$$a=\frac{294336736286881080}{9455185755993167}$$

Assign a

$$a≔\frac{294336736286881080}{9455185755993167}$$