Home
Class 12
MATHS
Prove that tan 70=2tan 50+tan 20...

Prove that `tan 70=2tan 50+tan 20`

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that tan70=2tan50+tan20

Prove that tan70^(@)=2tan50^(@)+tan20^(@)

Prove that tan 70^(@) = "tan " 20^(@) + 2"tan " 50^(@)

Prove that: tan 50 ° - tan 40 ° = 2 tan 10 °

Prove that tan 40^(@) + 2 tan 10^(@) = tan 50^(@)

Prove that tan 20^circ* tan 80^circ = sqrt3 tan 50^circ .

Prove that tan20^(@)tan40^(@)tan80^(@)=tan60^(@)

If A+B+C= pi/2 , prove that tan A tan B+tan B tan C+tan C tan A=1

Prove that tan (2 tan^(-1) x ) = 2 tan (tan^(-1) x + tan^(-1) x^(3)) .

Prove that: tan70^(@)=tan20^(@)+2tan50^(@)