6sinsquared x + 5sinxcosx - 5cossquared x = 1
just cant seem to get it, any help is GREATLY APPRECIATEDD
I used a program to simplify the original equation, and it came out with:
I tried working it out like this first:
Let's fisrt get rid of the :
But it didn't give anything.
Then I found that the calculator finished up with 2x, so I gave a go to double angle formulas.
Except I think I might have done an error (graph of step 2 and step 3 are different, dunno why)
well thanx for taking da time to help me , wow i dont realli get wat uve done, looks extremely complicated, i dont think the question is meant to be that complicated because i can do the qs before and afta it
if it helps the solution to the question is 35 degrees 9 minutes, 120 degrees 24 minutes, 215 degrees 9 minutes and 300 degrees and 24 minutes
i jst dont no how to get there
thanx tho !