Yo sup??
cosx>0 in the 1st and 4th quadrant.
tanx>0 in the 1st and 3rd quadrant.
therefore the common solution is x lies in 1st quadrant.
Hence the correct answer is option A.
Hope this helps
Answer:
A
Step-by-step explanation:
7x+9x+4x+8+5=20x+13
20+13.
Hope this helps :D
You're correct dear. Good Job.
Answer:
fsfds
Step-by-step explanation: