Tyson13 Tyson13

01-03-2019
Mathematics

contestada

If cos x=8/17
and 270° < x < 360°
what is cos(2x)⁡?

Respuesta :

LammettHash LammettHash

07-03-2019

It follows immediately from the double angle identity:

[tex]\cos2x=2\cos^2x-1=-\dfrac{161}{289}[/tex]

Answer Link

Otras preguntas

Which organelle is responsible for holding water that the plant needs to survive?

You are considering investing $1,000 in a complete portfolio. the complete portfolio is composed of treasury bills that pay 5% and a risky portfolio, p, constru

each semester bob does not start studying until just minutes before midterms then he is forced to work around the clock until after the final exams which makes

The League of Nations was formed as a reaction to what conflict? World War I The Great Depression The Treaty of Versailles

Which number is four thousand times larger than 1.1 x 10^3 ? A) 1.1 x 106 B) 1.1 x 107 C) 4.4 x 106 D) 4.4 x 107

Need help asap 15 pionts

9. Write an equation of the line in point-slope form passing through (1,-5) with a slope of -2.

Help please, I’m don’t know how to do this

How did Koine Greek originate?

Spencer has an investment in two parcels of vacant land. parcel 1 is a capital asset and parcel 2 is a § 1231 asset. spencer already has short-term capital loss