2 years ago

∠A and ∠B are complementary angles.

1 answer:

3 0

Cos 52 = 0.6157

sin 42 = cos 48 = 2/3 (because 42 + 38 = 90 - complementary angles)

if tan 20,5 = 3/8 then tan 69.5 wil = 1 / 3/8 = 8/3

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tia_tia [17]

No because 3x+2y=2 is not a solution. When you plug in the number it would equal to 15

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Ipatiy [6.2K]

$67.21=e^a\qquad \ln\text{of both sides}\\\\\ln67.21=\ln e^a\qquad\text{use}\ \log_aa^n=n\\\\\ln67.21=a\\\\\boxed{a=\ln67.21}$

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laiz [17]

I believe it’s 0.043

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dem82 [27]

That they are the exact same shape. Some of the sides will be longer and shorter than the other figure, but same shape.

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victus00 [196]

<span>∠BCA = 120 /2 = 60

answer
</span><span>∠BCA</span>

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2 years ago