Question

evaluate tan15° tan25° tan60° tan65° tan75° + tan30°​

Answer 1

Answer:

idontknoq the anser

Step-by-step explanation:

1

2

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Answer 2

Step-by-step explanation:

tan15tan25tan60tan65tan75 

=tan(90-75)tan(90-65)tan60tan65tan75tan(90−75)tan(90−65)tan60tan65tan75 

=cot 75cot65tan60tan65tan75cot75cot65tan60tan65tan75 

cot75-tan75 and cot 65-tan65 both cancelled

=tan60tan60 

=\sqrt{3}3