What happens if and/or .
So we have <--- standard angle.
Also .
Use the fact that tan has a period of and sin has a period of to find all the answers in the specified range.
The question is almost solved for you, there is no manipulation required all you need to do is what I did above.
So we have <--- standard angle.
Also .
Use the fact that tan has a period of and sin has a period of to find all the answers in the specified range.
The question is almost solved for you, there is no manipulation required all you need to do is what I did above.
(edited 8 years ago)
Original post by audreygal
Then multiply out
this is not necessary...
if A x B = 0
then either A = 0 or B = 0
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