таңбасы 22.01.2025

I жəне II

II жəне III

II жəне IV

I жəне IV

I жəне IV

I жəне II

II жəне III

II жəне IV

II жəне III

I жəне III

II жəне IV

I жəне II

$$\sin\alpha$$

$$tg\ 3\alpha$$

$$\cos\alpha$$

$$\operatorname{ctg}\ \alpha$$

II жəне III

I жəне III

I жəне IV

II жəне IV

$$\sin50\degree\cdot\cos100\degree$$

$$\sin120\degree\cdot tg\ 150\degree$$

$$\sin\left(-40\degree\right)\cdot\cos\left(-70\degree\right)$$

$$\cos\left(-15\degree\right)\cdot\operatorname{ctg}\left(-300\degree\right)$$

$$\sin\left(-\alpha\right)=-\sin\alpha$$

$$-tg\left(-\alpha\right)=tg\ \alpha$$

$$\cos\left(-\alpha\right)=-\cos\alpha$$

$$\operatorname{ctg}\left(-\alpha\right)=-\operatorname{ctg}\alpha$$

I

II

III

IV

$$\cos\left(-60\degree\right)$$

$$\sin\left(-45\degree\right)$$

$$\operatorname{ctg}\left(300\degree\right)$$

$$tg\left(-30\degree\right)$$

$$\cos0\degree$$

$$\sin240\degree$$

$$tg\left(-120\degree\right)$$

$$-\cos240\degree$$