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In triangle ABC,right angled at B, if tanA=1/√3,find the value of (i) sinAcosC+cosAsinC

Posted by Ayush Rathi 5 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Sangeeta Devi 5 years, 11 months ago

If tanA = 1/√3 Than In triangle by pytagoreous theoream hypoteneous = 2 . . Than in triangle ABC sinA = 1/2 SinC = √3/2 CosA = √3/2 CosC = 1/2 . . A/Q = (1/2*1/2)+(√3/2*√3/2) = 1/4+3/4 = 4/4 = 1

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CBSE > Class 10 > Mathematics