What is 9(sin((n+2)pi)-sin(npi)) ?

The solution to 9(sin((n+2)pi)-sin(npi)) is 9sin(pi(n+2))

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simplify 9(sin((n+2)pi)-sin(npi))

simplify

9 (sin ((n + 2) π) - sin (nπ))

9 sin (π (n + 2))

Solution steps

9 (sin ((n + 2) π) - sin (nπ))

Use the basic trigonometric identity:

sin (nπ) = 0

= 9 (sin (π (2 + n)) - 0)

sin (π (2 + n)) - 0 = sin (π (2 + n))

= 9 sin (π (n + 2))

cot (arccos (U))

\frac{csc ( a )}{1 cot ^{2} ( a )}

sec (arctan (\frac{4 x}{3}))

cos (arccos (10 x))

2 cos (θ - \frac{3 π}{2}) + 1

What is 9(sin((n+2)pi)-sin(npi)) ?
The solution to 9(sin((n+2)pi)-sin(npi)) is 9sin(pi(n+2))