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  3. if sin (?)=2/3 and ? is in the 2nd quadrant, find

If sin (?)=2/3 and ? is in the 2nd quadrant, find cos(?)cos(?) =Enter your answer...

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If sin (?)=2/3 and ? is in the 2nd quadrant, find cos(?)cos(?) =Enter your answer as a reduled radical. Enter ?12 as 2sqrt(3).

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Transcribed Image Text

If sin (?)=2/3 and ? is in the 2nd quadrant, find cos(?)cos(?) =Enter your answer as a reduled radical. Enter ?12 as 2sqrt(3).

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