(MATLAB) The following has to be programmed in MATLAB. There needs to be an \"if

Question

(MATLAB) The following has to be programmed in MATLAB.

There needs to be an "if" and "else" statements in the code (in MATLAB) for this specific problem.

Hint: In Matlab, use format "long".

My professor stated during lecture that this program will probably require "if" and "else" statements. We've been discussig Loss of Significance in this section, and had been replacing "subtractions" (writing in an alternative form) in order to avoid significance loss.

If it is helpful, Loss of Precision Theorem states:

6. Write a procedure to compute f(x) 3sin x 1 cos x. The routine should produce nearly full machine precision for all x in the interval [0, T/4] Hint: The trigonometric identity sin 0 (1 cos 20) may be useful.

Explanation / Answer

format long;
x=input('enter the angle value in radian');
if x>=0
if x<=pi/4
sol=sin(x)-2*(sin(x/2))^2;
end
end
disp('the solution of equation is');
disp(sol);
  

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