Answer:
sin pi/6, sin 5pi/6
Step-by-step explanation: sin pi/6=1/2
sin (pi-pi/6)=sin (6pi-pi)/6=sin 5pi/6=1/2
As it is a triangle, so you start applying Pythagoras;
once with 11 as the hyp. and once where x is the hyp.
where x is the hyp.
feet
and if considering 11 as the hyp.
feet
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Hope this helps.
It is equivalent to 4-(-7) = 4+7 = 11
She can read 22 pages in 30 minutes so that means 22 = 1 30minutes so lets divide 100/22 = 4.54 so now times 4.50 x 30 = 136.2 minutes