Math, asked by KVK9712, 11 months ago

cos4x=cos2x...find general solution

Answers

Answered by prasadsuyog

2

Answer:

cos4x-cos2x=0

cosc-cosd= -2sin(c+d)/2. sin(c+d)/2

Step-by-step explanation:

-2sin3xsinx=0

-2sin3x=0 , sinx=0

sin3x=0. , sinx=0

Sino= 0

o=nπ substitute the vales to n and o

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