Question

Find the exact value of sinſ and cos given that cos x = 3,27 ,270° <x< 360°. [8]
4-cos e 18. cos20-5 cos 0+4 since 1+cos e
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Answer #1

2nd cos R y costry a casa 1+ 3/4 1-314 simmy and ces 2 ild cos n 23/1 270 22 360° Soln since 270² n2360° 135 <2 2 180° ir lie2 Quer ces 29 -51680 +4 4-ceso mo Hao L. -Se calo-5ces at 4 smo callo-4Cso-eso +4 1 ces2g Caso (Cas8-4)-(Ces&-4) (1-6030 ( IS

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