How to put range limit in input Theta between 0 to 90?

Keep getting error on the initial angle value.

Answer 1

[madhan ravi]

for theta = theta % before if statement
    ...
end % at the very end

[Muhammad Fadzli Nazip]

Still getting an error. BTW what do you mean by theta = theta?

[madhan ravi]

First thing i cannot run a screenshot, second thing theta should be defined, third thing you need to take MATLAB Onramp course.