hasibaram1 hasibaram1
  • 23-11-2018
  • Mathematics
contestada

half angle formula for cosB

half angle formula for cosB class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-11-2018

the half angle identity for cosine is

cos ([tex]\frac{B}{2}[/tex]) = ± [tex]\sqrt{(1+cosB)/2}[/tex]


Answer Link

Otras preguntas

Help me pleeeeeeeeeeeeeez
Which accurately describes Athenian King Solon’s impact on citizenship and government?
Slmething about device for defrosting windscreen?
Why is the Vietnam War an example of a proxy war?
WILL GIVE BRAINLIEST!read the lines: it's spring and the goat-footed balloonMan whistles far and wee which best identifies and i
A researcher posts a magazine advertisement offering $30 in exchange for participation in a short study. The researcher accepts the first three people who respo
Affirmative action is best described as the legal requirement that
What is the difference between variation and adaptation? How the two work together?
Match each rational expression to its simplest form.
Which expressions are equivalent to 22c + 33d? A. (−2c−3d)(−11) B. 2(11c− 33/2 d C. (66c+99d)⋅1/3 D. −1×(−22−33d) E. 11⋅(2c+3d) choose 3 answers