GuadalupeBermudez
GuadalupeBermudez
07-07-2016
Mathematics
contestada
If sin x = .42, what is cos x?
Respuesta :
mathmate
mathmate
07-07-2016
From the identity,
sin^2(x)+cos^2(x)=1
then
cos(x)=sqrt(1-sin^2(x))
where sin(x) is given as 0.42.
Note that the above answer applies to 0<x<90 degrees
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
31. Why do flying foxes sometimes eat fruit from cultivated fruit trees? A. They prefer eating cultivated fruit to wild fruit. B. They are better able to spread
11.037 in word format
If you flip a penny, the chance of it turning up heads is?
what's 21/300 as a decimal
An airplane is at a location 800 miles west of city X. Another airplane is at a distance of 1,200 miles in a direction S 30° W from city X. What is the distance
what is the footage to yards
Angela and Veronica could not be lured into __________: they preferred to think and act independently rather than do everything the group said or did.
The law of harmonies is referred to as _____. kepler's first law kepler's second law kepler's third law
Eight white balls and twenty black balls are in a bag. What is the probability of drawing a black ball in one draw? 1 2/5 5/7
how many miles should a person who drives for 48 minutes expect to travel? 32 miles 42 miles 48 miles 54 miles
