what is the value of tan-5pai/6?
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tan-5π/6
tan-(6π/6-π/6)
by using formula
tan(a-b)=tan a-tan b/1+tan a×b
-(tan π-tan (π/6)/1+tanπ×tanπ/6
=-(-tanπ/6)
=1/√3
tan-(6π/6-π/6)
by using formula
tan(a-b)=tan a-tan b/1+tan a×b
-(tan π-tan (π/6)/1+tanπ×tanπ/6
=-(-tanπ/6)
=1/√3
Atithisharma:
1/√3
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