Question

Evaluate tan35 degree tan40 degree tan45 degree tan50 degree tan55 degree. In solve brainly

Answer 1

Step-by-step explanation:

tan 35°tan40°tan45°tan50°tan55°

tan35 tan 40 tan45 cot40cot35

tan35tan40tan45 1/tan40 1/tan35

tan45

1

Answer 2

Step-by-step explanation:

tan35° tan40° tan45°tan50°tan55°

tan35°tan40°tan45°tan(90-40)tan(90-35)

[ tan changes to cot as it is odd multiple of 90 ]

=tan35°tan40°tan45°cot40°cot35°

(since tan¢ = 1/cot¢ ,,, They get cancelled)

=tan45°

= 1