$\%(1$ pt$)$ Problem $7$

Look up the MATLAB funcction to calculate the sine of the following $\%$ angles.

theta$1=30$ radians;

theta$2=30$ degrees;

$\%(3$ pts$)$ Problem $8$

$\%$ Enter the following and display the results.

$\%i=j=\sqrt[\phantom{2}]{-1}$ is the imaginary unit, and $z$ is a complex number

a$)$ Look up the MATLAB functions that will display the real and imaginary $\%$ parts of $z.$

$z=1+1i**4$;

$z=1+1j**4$;

$\%$ b$)$

$\%$ Look up the MATLAB functions to calculate and display the

$\%$ magnitude and angle $($in radians and degrees$)$ of the complex number

$z=3+1j**4$;

$\%(1$ pt$)$ Problem $9$

$\%$ Display the results of

$x=1+2$

$x=1+2$

$y=x^{{?}^{{?}^{?}}}2+2^{x}x+8$