Hi guys,
I have 2 equations on my homework that I am not allowed to use a calculator on, and need to find the exact answer. Sorry im posting so much, I got a gigantic packet to work on.
Hi guys,
I have 2 equations on my homework that I am not allowed to use a calculator on, and need to find the exact answer. Sorry im posting so much, I got a gigantic packet to work on.
where
AND
where
for the first equation, change to , move everything to one side, and factor the resulting quadratic.
for the second, use the double angle identity for sine, move everything to one side, and factor.