Edmund5390 Edmund5390
  • 14-03-2024
  • Mathematics
contestada

Given that cosθ = -(√7)/3, (π/2) < θ < π, find the exact value of each of the following:
a) sin(2θ)
b) cos(2θ)
c) sin(θ/2)
d) cos(θ/2).

Respuesta :

Otras preguntas

The condition of being prevented from reaching a goal by events that are beyond your control is known as
Convert 7.0055 into a mixed number in simplest form
A giraffe can run about 14 meters per second. Find it's speed in miles per hour
write 40,000,000 in scientific notation
Ian earns £420 a week after a 5% rise. What was his pay before?
How do you rewrite x^2/3 in radical notation?
during the reign of whose reign was Palace of Versailles built?
Sarah calculates that she spends 1/3 of her pocket money on sweets, and 2/5 on magazines. What fraction of her pocket money does Sarah spend on sweets and mag
An amoeba divides into two identical daughter cells. They have exactly the same characteristics as the parent amoeba. Which best describes the amoeba’s division
Jim is standing beside a pool. He drops a weight from 4 feet above the surface if the water in the pool. The weight travels a total distance of 12 feet down bef