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3 years ago

13

Which expression is equivalent to

2 answers:

Reptile [31]3 years ago

4 0

B.
sin^2x + cos^2x =1
hence Sin^2x-1 = - cos^2x

Alexeev081 [22]3 years ago

4 0

Sin^2x -1 = -cos^2x.......

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7+n=−5 18=−3y−6 3/5x=18

Keith_Richards [23]

Answer:

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Step-by-step explanation:

1) 7+n=-5

7+n-7=-5-7

n=-12

2) 18=-3y-6

-3y-6=18

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y= -8

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3/15 X 5x= 18 X 5x

3=90x

90x/90= 3/90

x= 1/30

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Step-by-step explanation:

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2 years ago

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