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3 years ago

Simplify sine squared theta divided by the quantity 1 minus sine squared theta..

1 answer:

3 0

Answer: tan^2ø
(i’m gonna use ø as theta because i can’t find it)

explanation:
sin^2ø-1=cos^2ø because of one of the pythagorean identities

sin^2ø/cos^2ø is tan^2ø because sin/cos is tan- opposite/hypotenuse divided by adjacent/hypotenuse is opposite/adjacent

hope that helps- you can comment if you need any more explanation :)

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3 years ago

Read 2 more answers

Does anyone know this?

vodka [1.7K]

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3 years ago

In a music stadium, there are 18 seats in the first row and 21 seats in the second row. The number of seats in a row continues t

sineoko [7]

Answer:

(a) an = 18 +3(n -1)

(b) row 35

Step-by-step explanation:

(a) The general term (an) of an arithmetic sequence can be expressed in terms of the first term (a1) and the common difference (d) as ...

an = a1 +d(n -1)

The given sequence has a1 = 18 and d = 3, so the explicit formula is ...

an = 18 + 3(n -1)

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120 = 18 + 3(n -1)

40 = 6 + n - 1 . . . . . . . divide by 3

35 = n . . . . . . . . . . . . . subtract 5

Row 35 has 120 seats.

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3 years ago