Question

tan10°×tan20°×tan30°×•••×tan70°×tan80°

Answer 1

hey there is your answer

tan80°= cot10°
therefore tan80°= 1/tan10°

similarly we can find value of
tan70°= 1/tan20°
tan60= 1/tan30°
tan50°= 1/tan40°

put values

and the answer will be 1

Answer 2

Please mark as brainliest

Thank you