3 years ago

1+sin^2 x = 2-cos^2 x

1 answer:

3 0

1+sin²x=2-cos²x
Remenber: sin²x+cos²x=1 ⇒sin²x=1-cos²x

1+sin²x=1+(1-cos²x)=2-cos² x (this is true)

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erik [133]

Answer:

6 feet

Step-by-step explanation:

Volume = w × h × l

120 = 4 × 5 × l

l = 120 / 20

l = 6 ft

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3 years ago

kondaur [170]

Hope this helps :)))

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DochEvi [55]

The painter painted 11 apartments because 4 doesn’t go into 45, so the closest think to 45 is 4 x 11 (44). the painter will have 1 gallon left.

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Vadim26 [7]

Answer:

Step-by-step explanation:

11 + 2k > 19

2k > 19 - 11

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k > 8/2

k > 4.

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Aloiza [94]

DC :AB=3:2 can be written as

DC/AB=3/2

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3 years ago