selenarose56751 selenarose56751

04-01-2018
Mathematics

contestada

How to find cot of 60 given sin and tan of 30?

Respuesta :

Аноним Аноним

04-01-2018

use tan 2x = 2tan x / (1 - tan^2x)

so tan 60 = 2 tan 30 / 1 - tan^2 30 = 1.7321

cot 60 = 1 / 1.7321 = 0.5774 Answer

Answer Link

Otras preguntas

1.5 g of MgCl2 is dissolved in water to make a total volume of 750 mL. What is the concentration of the solution in mol/L?

Solve for x in the inequality. -8x 4 < -4

Sarah has a bag of 50 rubber bands in different colors. She pulls out a rubber band, records its color, and then puts it back into the bag. Sarah records 4 bro

Assignment: advanced study (find one (1) defenition and one (1) example -Classification text - enmeration text - explonation text - recount text

could anyone help me please and show the work please

In exercises 1 and 2 find the scale factor. then list all pairs of congruent angles and write the ratios of the corresponding side lengths in a statement of pro

The scores given below were earned by 10 students on a recent biology test. What is the median score? 71, 94, 86, 77, 88, 94, 88, 80, 78, 94

Write an equation of a line that is perpendicular to y = 6x + 3 that passes through (-6,4)

Which statement best describes this excerpt? Most of the sentences contain comma splices. It consists mostly of run-on sentences. Most of the sentences have a s

Please define the following terms in complete sentences, using the appropriate historical context! Franco-Prussian War Otto von Bismarck Romanov Dynasty Tsar A