Sina - (cosa)(tanb)/cosa + (sina)(tanb)
sina ≡ (tana)(cosa)
(tana)(cosa) - (cosa)(tanb)/cosa + (tana)(cosa)(tanb)
= cosa(tana - tanb)/cosa(1 + tanatanb)
(cosas cancel out)
= (tana - tanb)/(1 + tanatanb) ≡ tan(a-b)
B. 84
The scale factor is 1/12 which means to get back to the actual height, you would multiply 7x12
Answer:
this is not a function
Step-by-step explanation:
the bottom numbers need to connect
Answer: Its the first choice
Step-by-step explanation:
