roberthagemanjr roberthagemanjr

16-01-2020
Mathematics

contestada

Which trigonometric function is equal to Cos 4 degrees?
A. Sin 44 degrees
B. Sin 4 degrees
C. Sin 86 degrees
D. Sin 96 degrees

Respuesta :

jimrgrant1 jimrgrant1

16-01-2020

Answer:

C

Step-by-step explanation:

Using the cofunction identity

sin(90 - x)° = cosx°, thus

cos4° = sin(90 - 4)° = sin86° → C

Answer Link

Otras preguntas

Can someone help me please which one is it ? A B C D

Both "silky" bob in "after twenty years" and tessie in "the lottery" face threats to their lives or freedom. compare and contrast the way each author depicts th

Prediction accuracy of a neural network depends on _______________ and ______________.

Suppose that you are participating in a game show. so far, you have won $10,000 free of tax and can leave with your winnings.however, if you continue to play, y

What is the Out of Africa theory? a) it calculates that human migration from africa began from 10,000- 20,000 years ago. b) it calculates humans evolved to bipe

I don't understand this someone help me please ! :)

All art is basically paleolithic or neolithic was said by

difference of a number and -3 is 6. what is the number

at the northgate fabric store, there are 5 scrap pieces of cloth. their lengths are 1/2 yrd, 3/10 tard, 5/6 yard, 1/3 yard, and 2/5 yard. how much total fabric

Why is it important to be able to solve for variables in formulas?