Question

Which of the following values of alpha satisfy the equation tan2alpha + tan3alpha + 3^2 tan2alpha tan3alpha = 3^2?
(a)pie/15 , 4pie/15 and pie/5
(b)pie/15 , 4pie/15 only
(c)4pie/15 , 7pie/15 only
(d)pie/15 , 4pie/15 and 7pie/15​

Answer 1

Answer:

c is right Besause my teacher said

Answer 2

Answer:

answer is [c]

Step-by-step explanation:

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