JessicaMabs8868 JessicaMabs8868

10-12-2017
Mathematics

contestada

Simplify the expression by using a double-angle formula or a half-angle formula. (a) cos2 θ 2 − sin2 θ 2

Respuesta :

10-12-2017

If this is supposed to be
[tex]cos^{2}θ-sin^{2}θ[/tex]
Then this can simply be reduced to
[tex]cos2θ[/tex]
by the double angle formula for cosine

Answer Link

Otras preguntas

A rubric is helpful in evaluating _____.

Just 2 questions please help.

nicole has a rectangular canvas that is 12 inches long and 10 inches wide. she paints a blue square in the center of the canvas. the square is 3 inches on eac

a card is chosen at random from a deck of 52 cards it is then replaced and a second card is chosen what is the probability of getting a jack and then an eight

Please tell me which are correct

During the 1800s, musical theatre/ opera flourished in the United States. True or False

In pea plants, purple flowers are dominant over white flowers. Which of the following represents a pea plant with white flowers? Ff FF ff

David bought 30 shares of Amazon at the close price of $121.00. In a few years, David sells all of his shares at $143.50. How much money did David make?

While IP addresses are tied to specific networks, Ethernet addresses are not. Provide a good reason why they are not

What are the four letters of the rna alphabet