Basic trigonometry function

Matlab program to plot trigonometry function sine wave, cosine wave, tangent wave, cosec wave, etc. This is an example. You can plot other trigonometry function similarly.

Matlab code: 

clc;clear all;close all;
t=0:.2:15; % Time axis
% GENERATION OF SINE WAVE
x=sin(t);
subplot(3,2,1);
plot(t,x);
title('SINE WAVE');xlabel('t-->');ylabel('Amplitude-->');
% GENERATION OF DISCRETE SINE WAVE
subplot(3,2,2);
stem(t,x);
axis([0 10 -1 1]);
title('DISCRETE SIN WAVE');xlabel('t-->');ylabel('Amplitude-->');
% GENERATION OF COSINE WAVE
x1=cos(t);
subplot(3,2,3);
plot(t,x1);
title('COS WAVE');xlabel('t-->');ylabel('Amplitude-->');
% GENERATION OF TANGENT WAVE
x2=tan(t);
subplot(3,2,4);
plot(t,x2);
axis([0 15 -3 3]);
title('TANGENT WAVE');xlabel('t-->');ylabel('Amplitude-->');
% GENERATION OF COSEC WAVE
x3=csc(t);
subplot(3,2,5);
plot(t,x3);  axis([0 15 -3 3]);
title('COSEC WAVE');xlabel('t-->');ylabel('Amplitude-->');
% GENERATION OF SEC WAVE
x4=sec(t);
subplot(3,2,6);
stem(t,x4);  axis([0 15 -3 3]);
title('SEC WAVE');xlabel('t-->');ylabel('Amplitude-->');

Figure window