Question

If tan A = 2, what is the value of x?
Round your answer to the nearest tenth.



A.
3.5

B.
5.5

C.
14.0

D.
28.0http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit17844/Lesson69375/VHS_PA_S2_04_L310_LQ_Q4.gif

Answer 1

sec

Answer 2

ok this is easy

Answer 3

7 x 2 = 14.0 right

Answer 4

You need to use the inverse tangent ArcTan (2)

Answer 5

ah yes tan^-1

Answer 6

\[ArcTan (2) = \frac{ x }{ 7 }\]

Answer 7

\[63 = x/7\]

Answer 8

7(63) is your answer

Answer 9

since arctan (2 ) = 63

Answer 10

Yeah and then you could just use pythagorean therom to find the length of the hypothenuse but that's just if you're interested lol

Answer 11

Dont know I always do more work than what's required in the question haha