Negatiivse nurga siinus, koosinus ja tangens

Kirjuta positiivse nurgana $\cos\ \left(-60\degree\right)$  

•  $-\cos\ \left(60\degree\right)$  

•  $\cos\ \left(60\degree\right)$  

•  $-\cos\left(-60\degree\right)$  

•  $\cos\left(-60\degree\right)$  

Kirjuta positiivse nurgana $\sin\ \left(-30\degree\right)$  

•  $-\sin\left(-30\degree\right)$  

•  $\sin\left(-30\degree\right)$  

•  $-\sin\left(30\degree\right)$  

•  $\sin\left(30\degree\right)$  

Kirjuta positiivse nurgana $\tan\ \left(-45\degree\right)$  

•  $-\tan\left(45\degree\right)$  

•  $\tan\left(45\degree\right)$  

•  $\tan\left(-45\degree\right)$  

•  $-\tan\left(-45\degree\right)$  

Kirjuta positiivse nurgana $\sin\left(-\frac{\pi}{2}\right)$  

•  $\sin\left(-\frac{\pi}{2}\right)$  

•  $-\sin\left(-\frac{\pi}{2}\right)$  

•  $\sin\left(\frac{\pi}{2}\right)$  

•  $-\sin\left(\frac{\pi}{2}\right)$  

Kirjuta positiivse nurgana $\cos\left(-\frac{\pi}{4}\right)$  

•  $\cos\left(\frac{\pi}{4}\right)$  

•  $-\cos\left(\frac{\pi}{4}\right)$  

•  $-\cos\left(-\frac{\pi}{4}\right)$  

Kirjuta positiivse nurgana $\tan\left(-\frac{\pi}{3}\right)$  

•  $\tan\left(\frac{\pi}{3}\right)$  

•  $-\tan\left(\frac{\pi}{3}\right)$  

•  $-\tan\left(-\frac{\pi}{3}\right)$  

Taanda positiivseks teravnurgaks $\sin\left(-120\degree\right)$  

•  $\sin\ \left(180\degree-60\degree\right)=\sin\left(60\degree\right)$  

•  $-\sin\left(180\degree-60\degree\right)=-\sin\left(60\degree\right)$  

•  $-\sin\left(180\degree+60\degree\right)=\sin\left(60\degree\right)$  

Taanda positiivseks teravnurgaks $\cos\left(-240\degree\right)$  

•  $\cos\left(180\degree+60\degree\right)=\cos\left(60\degree\right)$  

•  $\cos\left(180\degree+60\degree\right)=-\cos\left(60\degree\right)$  

•  $-\cos\left(180\degree+60\degree\right)=\cos\left(60\degree\right)$  

Taanda positiivseks teravnurgaks $\tan\left(-330\degree\right)$  

•  $-\tan\left(360\degree-30\degree\right)=\tan\left(30\degree\right)$  

•  $\tan\left(360\degree-30\degree\right)=-\tan\left(30\degree\right)$  

•  $-\tan\left(360\degree-30\degree\right)=-\tan\left(30\degree\right)$  

Lihtsusta $\sin\left(180\degree-\alpha\right)$  

•  $-\sin\alpha$  

•  $\sin\alpha$