LIMIT TRIGONOMETRI SEDERHANA

 $Nilai\ dari\ \lim_{x\rightarrow\ \frac{\pi}{4}}\ \frac{1-\sin x}{1+\operatorname{cotan}x}\ adalah\ ....$ 

Nilai
 $\lim_{x\rightarrow\ \frac{\pi}{2}}\ \frac{\cos^2x}{\left(1-\sin x\right)\left(1+\cos x\right)}$  
adalah ...

 $\lim_{x\rightarrow0}\ \frac{\left(1-\cos4x\right)\sin x}{x^2\tan3x}=\ ....$  

 $\lim_{x\rightarrow a}\ \frac{1-\sqrt{1-\sin^2\left(x-a\right)}}{\left(x-a\right)\tan5\left(x-a\right)}=\ ....$  

 $Nilai\ \ dari\ \lim_{x\rightarrow\ \frac{\pi}{2}}\ \frac{\sec an\ x\ -\ \tan\ x}{\frac{\pi}{2}-x}=\ ....$