Math, asked by khanazam9599, 1 year ago

(Sin36+cos54) (sin36-cos54)




Answers

Answered by saumyasuman05
2

cosΦ = sin (90- Φ)

{sin 36 + sin (36) } {sin 36 - sin (36) }

(2 sin36) * 0 = 0

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