maggiemaeswerve maggiemaeswerve

22-05-2018
Mathematics

contestada

If sin θ = 7 over 25, use the Pythagorean Identity to find cos θ. cos θ = ± 17 over 24 cos θ = ± 17 over 25 cos θ = ± 24 over 25 cos θ = ± 24 over 7

Respuesta :

LammettHash LammettHash

29-05-2018

[tex]\sin^2\theta+\cos^2\theta=1[/tex]

[tex]\implies\cos^2\theta=1-\left(\dfrac7{25}\right)^2=\dfrac{576}{625}\implies\cos\theta=\pm\dfrac{24}{25}[/tex]

Answer Link

Otras preguntas

why was it difficult to negotiate a fair treaty with native people? A. All of the above. B. Native languages were hard to translate. C. Native leadership was of

One side of a rectangle is 20 cm larger than the other side. If you make the smaller side two times larger and the larger side three times larger, then the peri

Kms corporation has assets with a market value of 500 million 50 million of which

Petra randomly selects a card from a standard deck of 52 playing cards. What is the percent probability that the card shows a red number greater than 6? Express

Which correctly punctuated word completes the sentence?her'shershers' hers's

Intuition often leads us to believe that extroverted people who can speak coherently about their goals and their jobs are more likely to perform well. which bia

What was the name of the United States’ 1st constitution? Why did it not work?

???????anyone know...

What is the economic and political system in which the government controls property and the distribution of income? In this system, community ownership replace

A packet of tickets for 4 hame games cost $180. What proportion can you write to find what a 12-game packet cost if all individual tickets havee the same price