siyarammahato94 siyarammahato94

18-08-2021
Advanced Placement (AP)

contestada

if sinA=3/5 find the value of cos2A
help meeeeee

Respuesta :

maheshbhandari maheshbhandari

18-08-2021

Answer:

7/25

Explanation:

cos2A=1-2sin^2A

or, Cos2A=1-2.(3/5)^2

or, Cos2A=1-2(9/25)

or, Cos2A=1-(18/25)

or, Cos2A=(25-18)/25

or, Cos2A=7/25

Answer Link

Otras preguntas

Write a paragraph about air pollution using a text structure

MAKE A LIST OF GOAL YOU WANT TO ACHIEVE and list the qualities you need to accomplish your goals

nombor yang mungkin P ialah??ABCD

After fertilization the zygote A:begin to change B:disappears C:stays the same

Expand 40 76/100 into decimal form then write the whole number with decimal.

Why do you think males and children are more likely to die from DHMO

Enzymes have an optimum temperature at which they work best. Temperatures above and below this optimum will decrease enzyme activity. Which graph best illustrat

In circle 'O', the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer. (1 Point)

Write an equation with a slope of 1 that passes through the point on the graph. Question 2 options: y = x y = x + 1 y = x + 2 y = x - 3

PLEASE HELP which situation is an example of a person making use of credit? A. a college student buys a car with money she made working a summer job.B. an athle