4 years ago

Find the missing length indicated.

Mathematics

1 answer:

fredd [130]4 years ago

4 0

The answer to this is 36.

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Step-by-step explanation:

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Select the correct answer from each drop-down menu.

maxonik [38]

Answer:

$(b)\\\tan x, \cot x$

Step-by-step explanation:

Given

trigonometric function is

$\dfrac{\cos 2x-\cos 4x}{\sin 2x+\sin 4x}$

Applying trigonometric formulae

$\Rightarrow \cos C-\cos D=-\sin (\dfrac{C+D}{2})\sin (\dfrac{C-D}{2})\\\\\Rightarrow \sin C+\sin D=\sin (\dfrac{C+D}{2})\cos (\dfrac{C-D}{2})$

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option (b) is correct

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