Math, asked by poorva25, 11 months ago

ix) tan8 - tan5 – tan3 = tan8 tan5 tan3​

Answers

Answered by Anmol11374
5
Tan8-Tan5-Tan3 = Tan8 Tan5 Tan3
Tan(90-8)-Tan(90-5)-Tan(90-3) = 1/Cot 82 1/cot85 1/cot87
hence it divide
1-1-1
=-1
Answered by bazelasaleem
7

Answer:

tan8-tan5-tan3=tan8tan5tan3

Step-by-step explanation:

we have

tan8=tan5+tan3/1-tan5tan3

tan8(1-tan5tan3)=tan5+tan3

tan8-tan8tan5tan3=tan5+tan3

tan8-tan5-tan3=tan8tan5tan3

L.H.S.=R.H.S.

HENCE PROVED

     

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