Question 1027369
.
Find all angles t, where 0 &#8804; t < 2&#960;, that satisfy the given condition. (Enter your answers as a comma-separated list.)
cos t = square root 2/2
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


<pre>
cos(t) = {{{sqrt(2)/2}}}  --->  t = {{{pi/4 }}}. 


It is the only solution in the given interval.
</pre>