la trigonometria: equivalencias entre las funciones trigonometricas

Equivalencia entre las funciones trigonométricas

	Seno	Coseno	Tangente	Cotangente	Secante	Cosecante
$sen\theta\,$	$sen\theta\,$	$\sqrt{1-cos^{2}\theta}$	$\frac{tan\theta}{\sqrt{1+tan^{2}\theta}}$	$\frac{1}{\sqrt{1+cot^{2}\theta}}$	$\frac{\sqrt{sec^{2}\theta-1}}{sec\theta}$	$\frac{1}{csc\theta}$
$cos\theta\,$	$\sqrt{1-sen^{2}\theta}$	$cos\theta\,$	$\frac{1}{\sqrt{1+tan^{2}\theta}}$	$\frac{cot\theta}{\sqrt{1+cot^{2}\theta}}$	$\frac{1}{sec\theta}$	$\frac{\sqrt{csc^{2}\theta-1}}{csc\theta}$
$tan\theta\,$	$\frac{sen\theta}{\sqrt{1-sen^{2}\theta}}$	$\frac{\sqrt{1-cos^{2}\theta}}{cos\theta}$	$tan\theta\,$	$\frac{1}{cot\theta}$	$\sqrt{sec^{2}\theta-1}$	$\frac{1}{\sqrt{csc^{2}\theta-1}}$
$cot\theta\,$	$\frac{\sqrt{1-sen^{2}\theta}}{sen\theta}$	$\frac{cos\theta}{\sqrt{1-cos^{2}\theta}}$	$\frac{1}{tan\theta}$	$cot\theta\,$	$\frac{1}{\sqrt{sec^{2}\theta-1}}$	$\sqrt{csc^{2}\theta-1}$
$sec\theta\,$	$\frac{1}{\sqrt{1-sen^{2}\theta}}$	$\frac{1}{cos\theta\,}$	$\sqrt{1+tan^{2}\theta}$	$\frac{\sqrt{1+cot^{2}\theta}}{cot\theta}$	${sec\theta}\,$	$\frac{csc\theta}{\sqrt{csc^{2}\theta-1}}$
$csc\theta\,$	$\frac{1}{sen\theta\,}$	$\frac{1}{\sqrt{1-cos^{2}\theta}}$	$\frac{\sqrt{1+tan^{2}\theta}}{tan\theta}$	$\sqrt{1+cot^{2}\theta}$	$\frac{sec\theta}{\sqrt{sec^{2}\theta-1}}$	${csc\theta}\,$