Question 995809
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(a) sin(t) = 1/2 when t = {{{pi/6}}}   or   t = {{{5pi/6}}}.



(b) cos(t)= −-3/√2 when t = . . . 


I can not read it. &nbsp;If it is &nbsp;&nbsp;"cos(t)= &#8722;3/&#8730;2" &nbsp;then it is wrong: &nbsp;modulus of cosines is always <= 1.



(c) tan(t) = &#8722;1 when t = {{{5pi/4}}} &nbsp;&nbsp;or &nbsp;&nbsp;t = {{{7pi/4}}}.