Sin A = opposite / hypotenuse
If angle A is in the first quadrant, that means both x and y coordinate are positive.
Now you can draw triangle. Since sinA = 1/3, opposite side may be 1, so then hypotenuse side must be 3.
Now you can use Pythagorean Theorem to solve for the length of adjacent side:
a² + b² = c²
1 + b² = 9
b² = 8
b = 2√2
So adjacent side is 2√2.
So now we can solve for cosA:
cosA = adjacent / hypotenuse = 2√2 / 3
Final answer: 2√2 / 3
Answer:
5,2
Step-by-step explanation:
the difference between a and m is 1,1 so 1,1 subtracted from the mid point(M) would be 5,2
It becomes (1, -5)
..............
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GodBless c:
Answer:
Step-by-step explanation:
Subtract 5/8 from both sides:-
Add like terms:-
Rule:- 
Subtract, 
Cancel common factor: 2
---------------
Now, subtract 3x from both sides:-
Divide both sides by -1:-
<u>OAmalOHopeO</u>
