Math, asked by pamitsisodiya9717pk, 10 months ago

cos^2x-cos^6x = sin4xsin8x

Answers

Answered by rajsingh24

5

see the attachment........ ♥

Attachments:

Answered by pckrishna08email

1

Answer:

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

Step-by-step explanation:

this is a transformation identity

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