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3 years ago

11

What is the answer???

2 answers:

e-lub [12.9K]3 years ago

8 0

Oh that’s 90 and it’s acute to bc it’s smaller than 90 but not bigger than 90 either

atroni [7]3 years ago

5 0

Answer:

it is a 90 degree angle

Step-by-step explanation:

because the little square in the corner

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2 years ago

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Anuta_ua [19.1K]

Answer:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

Using sine rule, we have:

$\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)$

This gives:

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So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

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Take LCM

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2 years ago