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3 years ago

15

If tan a=1/7 and tan b=1/3, prove that cos 2a =sin 4b

1 answer:

koban [17]3 years ago

4 0

Solve is in the pic.

With Geometry..

GoodLuck:)

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Find the slope of (0,1) and (2,-3) with this equation<br><br> (Y2-Y1)/(X2-X1)

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3 years ago

the perimeter of a rectangle is 34 units. it’s width is 6.5 units. write the equation to determine the length of the rectangle

zubka84 [21]

Answer:

4 units

Step-by-step explanation:

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lisov135 [29]

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