Question

tan 21 degrees =9/x some please help !!!!!!!!!!! round to nearest tenth

Answer 1

\(\large{\tan(21)=\dfrac{9}{x}}\)

\(\large{x=\dfrac{9}{\tan(21)}}\)

Plug that into a calulator and make sure you are in degree mode.

Answer 2

so how would i put it into the calculator

Answer 3

\(\large{9\div \tan(21)}\)

Answer 4

i got 23.4

Answer 5

Correct!

Answer 6

another question tan x =0.3

Answer 7

thank you for your help .. if we need anymore help i will sure come to you

Answer 8

\(\large{\tan(x)=0.3}\)
\(\large{x=\tan^{-1}(0.3)}\)

Answer 9

if i need anymore help can i come to you ??

Answer 10

Yeah, sure. Just tag me in the question like this, @imani1993

Answer 11

cos 39 degrees =21/m @austinL

Answer 12

\(\large{\cos(39)=\dfrac{21}{m}}\)

\(\large{m=\dfrac{21}{\cos(39)}}\)