Question

IF QB aree acute angles and cos 29-3
300s 2B-
3-rosaB
then prove that tand = va tanß
21 4
421​

Answer 1

Answer:

- If the four given angles are all acute -- and you should have included that condition -- then the sum of the angles is π/4. ... 3. Tanning beds supply you the same tan. 4. i could continuously tan interior the sunlight if I had time! you ... ={1/3+1/7}/{1−(1/3)(1/7)}=={10/21}/{20... tan(c+d) ={tanc+tand}/{1−tanc×tand}