Question: Use De Moivres Theorem to express the trigonometric functions in terms of cos and sin . cos 4 De Moivre's Theorem (cos+ i sin

Use De Moivre’s Theorem to express the trigonometric functions in terms of cos θ and sin θ.


cos 4θDe Moivre's Theorem (cos+ i sin 0)" = cos ne + i

De Moivre's Theorem (cos+ i sin 0)" = cos ne + i sin no. (14)

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