Question

Simplify (1 - cos 0) (1 +coso)(1+ coto)​

Answer 1

Answer:

(1-cos∅)(1+cos∅)=1²-cos∅²

1-cos²∅(1+cos∅)

sin²∅(1+cis∅)

sin²∅+sin²cos∅

Answer 2

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