Evalwa
-0.249999999999999863182868139868405239662318136142
Kwizz
Trigonometry
5 problemi simili għal:
2 \times \cos ( 160 ) \times \cos ( 140 ) \times \cos ( 100 )
Sehem
Ikkupjat fuq il-klibbord
2 \cdot -0.9396926207859083 \cdot -0.7660444431189779 \cdot -0.1736481776669303
Evaluate trigonometric functions in the problem
-1.8793852415718166\left(-0.7660444431189779\right)\left(-0.1736481776669303\right)
Immultiplika 2 u -0.9396926207859083 biex tikseb -1.8793852415718166.
1.43969262078590800117836123825314\left(-0.1736481776669303\right)
Immultiplika -1.8793852415718166 u -0.7660444431189779 biex tikseb 1.43969262078590800117836123825314.
-0.249999999999999863182868139868405239662318136142
Immultiplika 1.43969262078590800117836123825314 u -0.1736481776669303 biex tikseb -0.249999999999999863182868139868405239662318136142.
Eżempji
Ekwazzjoni kwadratika
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwazzjoni lineari
y = 3x + 4
Aritmetika
699 * 533
Matriċi
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Ekwazzjoni simultanja
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differenzazzjoni
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrazzjoni
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limiti
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}