Question

tan 5 tan 15 tan 25 tan 30 tan 35 tan 45 tan 65 tan 75 tan 85 value plz​

Answer 1

Answer:

i think this a your question

Step-by-step explanation:

Tan 5 = tan(90-85) = cot85

Tan 25 = Tan(90-65) = Cot65

Tan5 Tan25 Tan30 Tan 65 Tan85  

⇒ Cot85 Cot 65 Tan30 Tan65 Tan85

⇒ Tan 30 (Since Cot85*Tan85 = 1 and Cot65*Tan65 = 1)

⇒