Question

3. Find the exact value of tan ( 75 ).

Answer 1

\(75=30+45\) use addition angle formula

Answer 2

i dont know it ):

Answer 3

im confused...

Answer 4

\[\tan(A+B)=\dfrac{\tan A+\tan B }{1-\tan A \times \tan B}\]

Answer 5

here

A=30
B=45

Answer 6

can u do tht now? @JNaruto5796

Answer 7

im working on it! thanks so much!!

Answer 8

You could also use: \[
\tan(x+y) = \frac{\sin(x+y)}{\cos(x+y)} = \frac{\sin(x)\cos(y)+\sin(y)\cos(x)}{\cos(x)\cos(y)-\sin(x)\sin(y)}
\]If you didn't remember the \(\tan(x+y)\) identity.

Answer 9

wait do i put it in the calculator at all?

Answer 10

i've never learned this ):

Answer 11

you nevr need a caluclator for these !

Answer 12

No, angles like 30 and 45 are not hard to find.

Answer 13

i dont know how to do it )):