Answer:
tana + tanb
Step-by-step explanation:
Using the trigonometric identities
• sin(a + b) = sinacosb + cosasinb
• tanx =
, then

= 
=
+ 
=
+ 
= tana + tanb
Answer:
2x/15
Step-by-step explanation:
4x/5-2x/3=2x/15
Answer:
B
Step-by-step explanation:
It's B
First we multiply the coefficients. 6*3= 18, so we can immediately cross out A and D. Now, c^2 * c is c^3. So, its B.
Hope this helps !!
-Ketifa