Задание
Найди значения синуса, косинуса, тангенса и котангенса указанных углов, если \(O(0;0)\), \(M(1;0)\), \(B \left(\dfrac{\sqrt2}{2};\dfrac{\sqrt2}{2}\right)\), \(E \left(-\dfrac{1}{2};\dfrac{\sqrt3}{2}\right)\), \(L(1;0)\).
\(cos\,\angle MOB =\)
Выбери верный вариант.
- \(0\)
- \(1\)
- \(-1\)
- \(-\dfrac{\sqrt2}{2}\)
- \(\dfrac{\sqrt2}{2}\)
- \(-\dfrac{\sqrt3}{2}\)
- \(\dfrac{\sqrt3}{2}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(\sqrt3\)
- \(-\sqrt3\)
- \(\dfrac{1}{2}\)
- \(-\) \(\dfrac{1}{2}\)
\(sin\,\angle MOE =\)
Выбери верный вариант.
- \(0\)
- \(1\)
- \(-1\)
- \(-\dfrac{\sqrt2}{2}\)
- \(\dfrac{\sqrt2}{2}\)
- \(-\dfrac{\sqrt3}{2}\)
- \(\dfrac{\sqrt3}{2}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(\sqrt3\)
- \(-\sqrt3\)
- \(\dfrac{1}{2}\)
- \(-\) \(\dfrac{1}{2}\)
\(ctg\,\angle MOE =\)
Выбери верный вариант.
- \(0\)
- \(1\)
- \(-1\)
- \(-\dfrac{\sqrt2}{2}\)
- \(\dfrac{\sqrt2}{2}\)
- \(-\dfrac{\sqrt3}{2}\)
- \(\dfrac{\sqrt3}{2}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(\sqrt3\)
- \(-\sqrt3\)
- \(\dfrac{1}{2}\)
- \(-\) \(\dfrac{1}{2}\)
\( tg\,\angle MOL =\)
Выбери верный вариант.
- \(0\)
- \(1\)
- \(-1\)
- \(-\dfrac{\sqrt2}{2}\)
- \(\dfrac{\sqrt2}{2}\)
- \(-\dfrac{\sqrt3}{2}\)
- \(\dfrac{\sqrt3}{2}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(-\dfrac{\sqrt3}{3}\)
- \(\sqrt3\)
- \(-\sqrt3\)
- \(\dfrac{1}{2}\)
- \(-\) \(\dfrac{1}{2}\)