Question

Convert into its simplest form.(Trigonometry)

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Answer 1

1/6x

Explanation:

0-21x/ 2

-2/12x multiply the Monomial

-1/6x

I think this one will help and I hope u understand

Answer 2

0

Explanation:

(sorry I am on my computer but anything as 21π/2 is a fraction)

Cot= cos x/sin x

cot(21π/2 - 0) =0

Simplified

cot(21π/2)

=cot(π/2)

=0