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If cos x = - 1/3 is in third quadrant, then find sin x/2, cos x/2 and tan x/2

Vikas TU , 13 Years ago
Grade 12th Pass
anser 1 Answers
sanatan sharma

Last Activity: 13 Years ago

sin x/2 = √(2/3)

cos x/2 = 1/√3

tan x/2 = √2

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