02-02-2019
Mathematics

contestada

The value of cos 30° is the same as which of the following?

Respuesta :

eric271828 eric271828

02-02-2019

cos 30 can be written as 1/2. If you are not sure, you can use subtraction formula: sin(A-B) = sinAcosB - cosAsinB

Answer Link

Otras preguntas

Who is considered to be the ultimate insider, with his name being synonymous with the insider threat issue?

The 10th amendment to the United States’ constitution limits the power of the central government by which of the following selections? A. reserving those powers

The Wolfpack has won 11 games and lost 9 games this season.What percent of the games did the Wolfpack win ?

A shipment of TV sets, some weighing 30 kg each and the others weighing 50 kg each, has a total weight of 880 kg. If there are 20 TV sets all together, how many

Write a function rule that gives the total cost c(p) of pounds of sugar if each pound cost $.59

For which segment lengths is QS¯¯¯¯¯ parallel to MN¯¯¯¯¯¯¯ ? A triangle with vertices labeled as Q, R, S. Side Q S is base. Sides R Q and R S contain midpoints

What is 4 5/6 in simplest form

Suppose that coke and sprite each sell for $2 a can. each month joe buys 6 cans of sprite and 30 cans of coke. from this we can infer that:

which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction

The student nurse asks the nursing instructor to explain why stress can increase the risk of infection. the instructor explains: