andreanb4168 andreanb4168
  • 23-01-2018
  • Mathematics
contestada

Simplify the expression by using a double-angle formula. −2cos2π91

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 23-01-2018
The Answer of −2cos2π91 = is -2 
Answer Link

Otras preguntas

which ratio is the same proportion as 36:64 in fraction
Why should you ask people questions about school or their jobs?
what words from the middle ages start with the letter y
why were roads significant to the roman republic and ancient cultures and religions of the same time period
75% of a number is 120. what is 40% of the number?
I am homeschooled and am in 7th grade can someone please get answers to the pattern and rules unit test 7th grade please
Calculate the discriminant.x2 + 2x – 2 = 0
Within a period, an increase in atomic number is usually accompanied by A. a decrease in atomic radius and an increase in electronegativity. B. an increase in a
Compare and contrast Germany's actions in the Rhineland, Austria, and Czechoslovakia
Can you live without your large intestine? Why or why not?