Lutasin ang tan^22-1/2tan2+1

$$\frac { \tan ^ { 2 } 2 - 1 } { 2 \tan 2 + 1 }$$

I-evaluate

$$-\frac{3329268466193680736623251433466157}{3566138463278318200000000000000000}\approx -0.933578015$$

Mga Hakbang ng Solution

Evaluate trigonometric functions in the problem

$$\frac{0.03492076949174773 ^ {2} - 1}{2 \cdot 0.03492076949174773 + 1}$$

Kalkulahin ang 0.03492076949174773 sa power ng 2 at kunin ang 0.0012194601418957790130245699601529.

$$\frac{0.0012194601418957790130245699601529-1}{2\times 0.03492076949174773+1}$$

I-subtract ang 1 mula sa 0.0012194601418957790130245699601529 para makuha ang -0.9987805398581042209869754300398471.

$$\frac{-0.9987805398581042209869754300398471}{2\times 0.03492076949174773+1}$$

I-multiply ang 2 at 0.03492076949174773 para makuha ang 0.06984153898349546.

$$\frac{-0.9987805398581042209869754300398471}{0.06984153898349546+1}$$

Idagdag ang 0.06984153898349546 at 1 para makuha ang 1.06984153898349546.

$$\frac{-0.9987805398581042209869754300398471}{1.06984153898349546}$$

I-expand ang \frac{-0.9987805398581042209869754300398471}{1.06984153898349546} sa pamamagitan ng pag-multiply sa parehong numerator at denominator ng 10000000000000000000000000000000000.

$$\frac{-9987805398581042209869754300398471}{10698415389834954600000000000000000}$$

Bawasan ang fraction \frac{-9987805398581042209869754300398471}{10698415389834954600000000000000000} sa pinakamabababang term sa pamamagitan ng pag-extract at pag-cancel out sa 3.

$$-\frac{3329268466193680736623251433466157}{3566138463278318200000000000000000}$$

I-factor

$$-\frac{3329268466193680736623251433466157}{3566138463278318200000000000000000} = -0.9335780145600727$$