Math, asked by agamsengar512, 1 year ago

18. cos (A + B) cos (A - B) T AT
(a) cos A-cosB (b) cos (A? - B)
(c) cos? A - sinB (d) sin A -cos B



solve the question​

Answers

Answered by Rushabh15
1

mutiply both sides by zeros.

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