다음을 풀어보세요: 2*cos(160)*cos(140)*cos(100)

$$2 \times \cos ( 160 ) \times \cos ( 140 ) \times \cos ( 100 )$$

계산

$$-0.249999999999999863182868139868405239662318136142$$

해답 단계

Evaluate trigonometric functions in the problem

$$2 \cdot -0.9396926207859083 \cdot -0.7660444431189779 \cdot -0.1736481776669303$$

2과(와) -0.9396926207859083을(를) 곱하여 -1.8793852415718166(을)를 구합니다.

$$-1.8793852415718166\left(-0.7660444431189779\right)\left(-0.1736481776669303\right)$$

-1.8793852415718166과(와) -0.7660444431189779을(를) 곱하여 1.43969262078590800117836123825314(을)를 구합니다.

$$1.43969262078590800117836123825314\left(-0.1736481776669303\right)$$

1.43969262078590800117836123825314과(와) -0.1736481776669303을(를) 곱하여 -0.249999999999999863182868139868405239662318136142(을)를 구합니다.

$$-0.249999999999999863182868139868405239662318136142$$