![Solve this: The value of cos 150 is (C) 12 (B) (D) none of these alue of cos 2a may - Maths - Introduction to Trigonometry - 11643569 | Meritnation.com Solve this: The value of cos 150 is (C) 12 (B) (D) none of these alue of cos 2a may - Maths - Introduction to Trigonometry - 11643569 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/discuss_editlive/1078112/2012_01_21_10_07_28/mathmlequation5232362819807035429.png)
Solve this: The value of cos 150 is (C) 12 (B) (D) none of these alue of cos 2a may - Maths - Introduction to Trigonometry - 11643569 | Meritnation.com
If you have to find cos(150) on the unit circle would it be easier to convert it to sin (90-150)? - Quora
![SOLVED: Find the product 2122 21 = 3 (cos 100" +i sin 100- and 22 6 (cos 150 + i sin 150 2122 18 (cos( 50") + isin(50") ) 2122 =18 (cos 250 sin 250 2122 2 (cos 250 + isin 250 2122 2 (cos( 50" ) + i sin( -50 " SOLVED: Find the product 2122 21 = 3 (cos 100" +i sin 100- and 22 6 (cos 150 + i sin 150 2122 18 (cos( 50") + isin(50") ) 2122 =18 (cos 250 sin 250 2122 2 (cos 250 + isin 250 2122 2 (cos( 50" ) + i sin( -50 "](https://cdn.numerade.com/ask_images/b0ddf8b6998d486094e428431e262b59.jpg)