Lutasin ang 15divcos(40.2)

$$15 \div \cos ( 40.2 )$$

I-evaluate

$$\frac{25000000000000000}{1272993381057737}\approx 19.638750972$$

Mga Hakbang ng Solution

Evaluate trigonometric functions in the problem

$$15 / 0.7637960286346422$$

I-expand ang \frac{15}{0.7637960286346422} sa pamamagitan ng pag-multiply sa parehong numerator at denominator ng 10000000000000000.

$$\frac{150000000000000000}{7637960286346422}$$

Bawasan ang fraction \frac{150000000000000000}{7637960286346422} sa pinakamabababang term sa pamamagitan ng pag-extract at pag-cancel out sa 6.

$$\frac{25000000000000000}{1272993381057737}$$

I-factor

$$\frac{2 ^ {15} \cdot 5 ^ {17}}{8513 \cdot 82561 \cdot 1811209} = 19\frac{813125759902997}{1272993381057737} = 19.63875097231642$$