matthewjcase matthewjcase

07-04-2017
Mathematics

contestada

find the exact value of tan 2x if tan x=7/11 and pi

Respuesta :

TheHero TheHero

07-04-2017

Use double angle formula

tan2x = 2tanx/ (1- tan^2x) = 2 * 7/11 ( 1 - (7/11)^2) = 77/36

Answer Link

Otras preguntas

Question 9 Unsaved Use the distributive property to rewrite the expression –5(3x – 2). Question 9 options: –15x – 10 –15x – 2 –15x + 10 –15x + 2

Which of the following is a disadvantage of the overuse of artificial fertilizers? A. Excess carbon causes plants to die. B. Excess nitrogen causes algal blooms

How could the skin respond when the human body is too cold? A.Blood flow to the skin increases. B.The body begins shivering to produce heat. C.Sweat is secreted

I need help in this

A car speedometer has a 3% uncertainty. What is the range of possible speeds when it reads 70 km/h? a.) highest and lowest km/h b.)highest and lowest mi/h

Please help! In Federalist Paper #10, faction loosely means, in a more modern way: a. Unions b. Political Parties c. Interest groups d. The public.

The sum of three numbers is 78. The second number is 2 times the third. The third number is 6 more than the first. What are the numbers?

What are the names of below these question digest? A) FatsB) CarbohydratesC) Proteins

What were some advantages and disadvantages of industrialization?

What is the remainder of 10^2017 divided by 1001? This probably incorporates some number theory, which I'm not good at. RIP

good job