Question
Asked Oct 20, 2019
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with A in QIII and find the following.
5
Let sin A
sin 2A
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with A in QIII and find the following. 5 Let sin A sin 2A

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Expert Answer

Step 1

Given,

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sin A 5 Where A lies in III4 quadrant

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Step 2

By using Pythagoras theorem,

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4 sin A 5 4 cos A 5 Where A lies in III'd quadrant A 3

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Step 3

Formula us...

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sin 2 .4 2 sin A cos A

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Tagged in

Math

Trigonometry

Trigonometric Ratios