Physics, asked by ayushkumar9249, 7 months ago

If y = sin 4x and 1 cos4 dy x

dx A = , then the value of

A is

(1) 4
(2) 1
/4

(3) Zero
(4) 3​

Answers

Answered by jagadishsingh835
1

Answer:

ANSWER

We have 4sin

4

x+cos

4

x=1

⇒4sin

4

x=1−cos

4

x=(1−cos

2

x)(1+cos

2

x)=sin

2

x(2−sin

2

x)

⇒sin

2

x[5sin

2

x−2]=0

⇒sinx=0 or sinx=±

5

2

⇒x=nπ or x=nπ±sin

−1

5

2

,(n∈Z)

Answered by ashishjohnmasih
1

Answer:

2,.1 ...... ...... .....

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