Find the value of tan 203°+tan 22°+tan 203° tan 22°?

1 Answer
Abhishek K.
Jun 3, 2018

1

Explanation:

#rarr203°+22°=225°#

#rarrtan(203°+22°)=tan225°=tan(180°+45°)=tan45°=1#

#rarr(tan203°+tan22°)/(1-tan203°*tan22°)=1#

#rarrtan203°+tan22°=1-tan203°*tan22°#

#rarrtan203°+tan22°+tan203°tan22°=1#

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