Math, asked by piyush37352, 11 months ago

If sin4x + sin3x cos 7x = cos3x then which of the following can be true ?
(A) cos3x = 1
(B) cos3x = 0
(C) sin7x = 1
(D) sin7x =

Answers

Answered by fifa14

0

I think c. sin 7x =1 is correct

piyush37352: solution?

Answered by shivamrajput4269

0

Answer:

Step-by-step explanation:

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