Math, asked by 1anmol54, 1 year ago

tan69°+tan66°+1
/1-tan69°.tan66°=0

Answers

Answered by abhishekag700

3

tan(A+B) =tanA+tanB/1-tanAtanB
So,
tan(69°+66°)=tan135°
tan(180-45°)
-tan45°
-1

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