2 years ago

What's the answer to number 13? First answer gets brainliest! Thanks!

Mathematics

1 answer:

guajiro [1.7K]2 years ago

3 0

Rhombus, or a square.

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3 years ago

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Please help! 12 points

Ivahew [28]

Answer:

Step-by-step explanation:

sin2x = 2sinx*cosx

= $2\sqrt{sin^{2}x }$ * cosx

= $2\sqrt{(1-cos^{2}x }$ * cosx

= 2 $\sqrt{1-\frac{3}{5} ^{2} } *\frac{3}{5}$

= $\frac{8}{5} * \frac{3}{5}$

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