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:
-3.69
Step-by-step explanation:
Exponential equations can be solved by taking Ln (natural logarithm) of both sides. The rule we need to know is:

Now lets work out this problem:

Using calculator, we take the values of Ln 16 and Ln 13 as:
Ln 16 = 2.7726
Ln 13 = 2.5649
Now, we can solve for x:

x is -3.69 (rounded to 2 decimal places)
Answer:
Dos mas treinta y cuatro da resultado a treinta y seis
Step-by-step explanation:
5+5=10
10+10=20
10+20=30
2+2=4
20+10+4+2=36
Answer:

Step-by-step explanation:

Answer:
Not a function because it does not pass the Vertical Line Test.