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

How many ml of 0.24 M HBr solution are needed to react completely with 10.00 ml of 0.24 M Sr(OH)2 solution

Fill in the missing numbers. 0, 1, 5 ,4 ,...., 12 ,.....

15) A factory manager can improve EVA by A) increasing earnings and increasing capital employed. B) increasing capital employed and reducing earnings. C) reduci

The Hudson River School a.worked with children who had physical limits. b.taught sailing on the river. c.specialized in landscape paintings. d.organized politic

in heating a kettle of water on an electric stove, 3.34×10^3 J of thermal energy was provided by the element of the stove. yet, the water in the kettle gained o

PLEASE HELP ASAP! So the answer I got for this problem is 50.26. Can someone make sure that is the correct answer? Please let me know how to solve this problem

Two dogs run around a circular track 300 m long. One dog runs at a steady rate of 15m per second, the other at a steady rate of 12 m per second. Suppose they'd

Which word best completes this conversation? Eric. De quoi as-tu besoin pour le cours de Pierre: J'ai besoin d'une calculatrice, d'un crayon et d'une règle. O A

Please help very appreciated

Can someone help me out here please? I do not know how to solve this problem nor where to start?