Question

tan12°tan38°tan52°tan60°tan78°
please find without using trignometric table​

Answer 1

Step-by-step explanation:

so here is your answer root 3. first convert tan into cot and you are done.

Answer 2

Answer:

Tan78. Cot(90-12)tan52.cot(90-38)tan60.

Tan78. Cot78. Tan52. Cot52. Tan60.

Tan78. 1/tan78.tan52.1/tan52.tan60=root3