2 years ago

Solve (sin∅+cos∅/ sin∅-cos∅)=(3/2) for 0⁰<∅<360⁰

1 answer:

3 0

let angle=X

(sin x + cos x)/(sin x - cos x) = 3/2

cross multiply

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dolphi86 [110]

Answer.....15ft by 12ft

Explanation:

Area = Length × Width

180 = LW....make W the subject of formula

;W = 180/L

Perimeter = 2L + 2W

54 = 2L + 2(180/L)...sub W with the formula above...

then simplify the equation and obtain...

2L^2 - 27L + 180 = 0....then solve using the quadratic formula....then obtain..

;L = 15ft....after obtaining L = 15...then substitute into the W = 180/L equation...

where W = 180/15 = 12ft

there you have...Length = 15ft and Width = 12ft

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