Math, asked by soumya5735, 8 months ago

Prove that: tan10 + tan70 + tan100 = tan10. tan70. tan100

Answers

Answered by Srisma

10

Answer:

Step-by-step explanation:

100+70= -10

Taking tan on both sides,we get,

Tan(100+70) = -tan10

Tan100 + tan 70 /1-tan100.tan70 = -tan10

Tan100 +tan 70 = -tan10 +tan100.tan70.tan10

Therefore Tan10+tan70+tan100= tan10.tan70.tan100

LHS= RHS

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