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amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0I can give you 5 mins dr

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.0the question is there

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1remember CAST rule dw:1433168945076:dw so given value of cos is positive so it's either in first or 4th quadrant

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1okay they gave you cos value you have to find an angle you r familiar with the unit circle that's same like simple x y graph x represent cosine y represent sin dw:1433169243698:dw

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.0yes, I know the unit circle

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1dw:1433169288228:dw so it's either in first or 4th quadrant now what given angle belongs to 1st or 4th qudrant ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1hmm can u use unit circle ?

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.030 degrees and 45 degrees, right?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1yep right both angle are in first quadrant dw:1433169687740:dw left side 60=3090 triangle and right side 4545 90 triangle given is sqrt 2 over 2 so which one you suppose to use ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1cos is adjacent over hyp right ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1so you have to use 454590 trianlge or you can look at the unit circle dw:1433170017138:dw at what angle cos value is sqrt 2 over 2

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.0is that the inverse value?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1yep given is value of soc you have to find at what angle cosine is sqrt2 over2 inverse ! :)
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