HELP ASAPPPP!!! Question in pic. Find the value of x
1 answer:
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Answer:
(c) 13.2
Step-by-step explanation:
The sum of angles in a triangle is 180°, so angle C is ...
C = 180° -A -B
C = 180° -16° -49° = 115°
The measure of side c can be found from the Law of Sines:
c/sin(C) = a/sin(A)
c = a·sin(C)/sin(A) = 4·sin(115°)/sin(16°)
c ≈ 13.2
Answer:
1) True 2) False
Step-by-step explanation:
1) Given
To verify that the above equality is true or false:
Now find
Expanding the summation we get
Now find
Expanding the summation we get
Comparing the two series we get,
so the given equality is true.
2) Given
Verify the above equality is true or false
Now find
Expanding the summation we get
now find
Expanding the summation we get
Comparing the series we get that the given equality is false.
ie,