Question

hello guys i am new on brainly please follow me i want the support of u all...i also follow you back... and my ques. is express cot 85°+ cot75° in terms of trigonometric ratios of angles between 0°and 45°....​

Answer 1

Answer:

Tan 5° + Tan 15°

Step-by-step explanation:

Cot 85° + Cot 75°

Tan ( 90° - 85° ) + Tan ( 90° - 75° )

Tan 5° + Tan 15°

Answer 2

Answer:

cot 85+cot75

cot(90-5)+cot(90-15)

tan 5+tan 15