All you have to do is figure out the bases of the figure and use the 12 and 13 in your problems and you should be able to get the right answer.
Bottom right corner is the correct answer choice
Answer:20
Step-by-step explanation:
Answer:
hihjjjkkcjkbcgukn c
Step-by-step explanation:
v mkkjljjj
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Solve the trigonometric equation:

Make a substitution:

and the equation becomes

Rewrite conveniently
– t as
+ t – 2t, and then factor the left-hand side by grouping:

Factor out
2t + 1:

Substitute back for
t = cos x:

Therefore,

where
k is an integer.
Solution set:

I hope this helps. =)