Datrys tan^22-1/2tan2+1

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

Enrhifo

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

Camau Ateb

Evaluate trigonometric functions in the problem

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

Cyfrifo 0.03492076949174773 i bŵer 2 a chael 0.0012194601418957790130245699601529.

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

Tynnu 1 o 0.0012194601418957790130245699601529 i gael -0.9987805398581042209869754300398471.

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

Lluosi 2 a 0.03492076949174773 i gael 0.06984153898349546.

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

Adio 0.06984153898349546 a 1 i gael 1.06984153898349546.

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

Ehangu \frac{-0.9987805398581042209869754300398471}{1.06984153898349546} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000000000000000000000.

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

Lleihau'r ffracsiwn \frac{-9987805398581042209869754300398471}{10698415389834954600000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.

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

Ffactor

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