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Asked Oct 7, 2019
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O TRIGONOMETRIC IDENTITIES AND EQUATIONS
Ma
Double-angle identities: Problem type 1
Es
3
Find sin 2x, cos 2x, and tan2x if tanx=
and x terminates in quadrant III
4
sin 2x
?
cos2x
tan 2x
=
X
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O TRIGONOMETRIC IDENTITIES AND EQUATIONS Ma Double-angle identities: Problem type 1 Es 3 Find sin 2x, cos 2x, and tan2x if tanx= and x terminates in quadrant III 4 sin 2x ? cos2x tan 2x = X

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Expert Answer

Step 1

Given,

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3 tan x 4

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Step 2

On solving the above equation, we get

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Step 3

Since, x lies in the 3rd q...

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x 18036.87 x 216.87

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Math

Trigonometry

Trigonometric Ratios