Question

If f(x)= x tan- f'(x)​

Answer 1

Answer:

f(x)=tanx

f ′(x)=sec 2 x

f′ ( 4π )=sec 2 ( 4 )=( 2 )

2 =2

Answer 2

Answer:

• Refer the attachment:)

—@FairyPie

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