Grade 12th PassTrigonometry
If cos x = - 1/3 is in third quadrant, then find sin x/2, cos x/2 and tan x/2
If cos x = - 1/3 is in third quadrant, then find sin x/2, cos x/2 and tan x/2
1 Answer
sanatan sharma
sin x/2 = √(2/3)
cos x/2 = 1/√3
tan x/2 = √2
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