![cot (270 - 2alpha )+cot( 210 - 2alpha)+cot( 150- 2 alpha)=3 tan 6 alpha - Maths - Trigonometric Functions - 5563070 | Meritnation.com cot (270 - 2alpha )+cot( 210 - 2alpha)+cot( 150- 2 alpha)=3 tan 6 alpha - Maths - Trigonometric Functions - 5563070 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/discuss_editlive/5057757/2013_08_02_12_45_51/mathmlequation2546197267165862930.png)
cot (270 - 2alpha )+cot( 210 - 2alpha)+cot( 150- 2 alpha)=3 tan 6 alpha - Maths - Trigonometric Functions - 5563070 | Meritnation.com
![SOLVED: Write in terms of the cofunction of a complementary angle. tan 30" OA tan 60` 0 B. cot 60 0c: cot 120 0 D. cot 150 SOLVED: Write in terms of the cofunction of a complementary angle. tan 30" OA tan 60` 0 B. cot 60 0c: cot 120 0 D. cot 150](https://cdn.numerade.com/ask_images/0bf22b6aeebe4a49a7186db14dd9e4ee.jpg)
SOLVED: Write in terms of the cofunction of a complementary angle. tan 30" OA tan 60` 0 B. cot 60 0c: cot 120 0 D. cot 150
![SOLVED: Use the reference angle (and special angles) to find exact value of each expression. You should not need a calculator. 15. Cos 135 ° 16. Tan 240 ° 17. Cot 150 ° 18. Sin 300 19. Cos 210 ◦ SOLVED: Use the reference angle (and special angles) to find exact value of each expression. You should not need a calculator. 15. Cos 135 ° 16. Tan 240 ° 17. Cot 150 ° 18. Sin 300 19. Cos 210 ◦](https://cdn.numerade.com/ask_previews/7fd03830-7039-4e94-97de-4bf8994de06f_large.jpg)