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

Write each pair of fractions as a pair of fractions with a common denominator 3/4 and 7/8

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal

A sequence is defined recursively using the equation f(n + 1) = f(n) – 8. If f(1) = 100, what is f(6)?

if i put 1500 into my savings account and earned 180.00 of interest at 4% simple interest, how long was my money in the bank

People express thoughts mainly by using A. pictures. B. numbers. C. gestures. D. language.

The ability to purchase goods and services is called A. consumerism. B. wealth distribution. C. price index. D. purchase power.

How can hypertension be prevented? a. balanced diet b. regular exercise c. 6y weight d. all of the above

Which activity related to selecting a topic for a literary analysis essay involves examining each element of the text carefully? A )drafting B) rewriting C) clo

at a school event there were 96 girls.the ratio of number of girls to the number of boys was 4:5.after some time some boys arrived and the ratio became 2:3 .ho

According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an