Answer:
Step-by-step explanation:
Given that angle A is in IV quadrant
So A/2 would be in II quadrant.
sin A = -1/3
cos A = 
(cos A is positive since in IV quadrant)
Using this we can find cos A/2

Answer:
Table price is Rs 2544
Step-by-step explanation:
Table sold = Rs 2400
Losses = 6%
Now find 6% of 2400
( 2400 × 6 ) ÷ 100 = 144
Add this answer to table price sold
2400+ 144 = 2544
Mark brainliest if you understand
Answer:
(x-5)² + y² = 4
Step-by-step explanation:
formula of circle: (x-h)² + (y-k)² = r² where (h,k) is coordinate of center and r is radius
center: (5 , 0) r = 2
Equation: (x-5)² + y² = 4
Since it decreases 2.75 then it will give you the answer of 20.75
The answer is b hope it helps