Question

Let y = sin. If percentage error in measuring angle

at

4



  is 2% then the percentage error in y at that

angle is

(1) 2



% (2) 4



%

(3) 8



% (4)  %​

Answer 1

Answer:

(1)

Explanation:

The percentage error =>

y = sin(pi/4 + 2) -sin pi/4

= > 0.731 – 0.707

= > 0.02435* 100

=> 2.43%

2.43% is equal to 2%

Hence, 2% is the percentage error.