11. Hind cos x for the following: A. If tanx 4 3 and x terminates in...

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(M tant 3 مادی عامر 4 sinu Cosn. sinn 3 16 Cos? gsinn - 16 costu => g sina a 16 cosm 9(1-copni) 16 coolen 7 g - geost na 16 c

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