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Grade: 12
        
if f ‘(x) = a sin x + b cos x and f ‘(0) = 4 , f(0) = 3 , f(pi/2) =5 find f(x)
2 months ago

Answers : (2)

Arun
24483 Points
							
Dear student
 
f'(0) = 4 = b
f(x) = - a cos x + b sinx + c
Now
f(0) = 3 = -a + c
f(π/2) = 5 = b + c
Hence c = 1
And  a = -2
 
Hence f(x) =  2 cos x + 4 sin x +1
2 months ago
Vikas TU
11138 Points
							
Dear student 
Please refer the study material and example
Good Luck 
2 months ago
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