Question

find the value of tan10°tan60°tan50°​

Answer 1

Step-by-step explanation:

Tan 10 * tan 20 * tan30 * tan40 * tan 50 * tan 60 * tan70 * tan80

tan 10 * tan 20 * tan30 * tan 40 * tan(90-40) * tan (90-30) * tan (90-20)* tan (90-10)

tan 10 * tan 20 * tan 30 * tan 40 * cot 40 * cot 30* cot 20 * cot 10

Hence all cancels out and

Answer is 1.