cofunction of cos is sin and cos(x)=sin(pi/2 - x)
cos(pi/4) = sin (pi/2 - pi/4) = sin(pi/4)
Answer:
This is because the whole number 28 has a 2 in the tens place, meaning it has 2 tens, and 10x2=20. ... Then, 19/100 is equal to 0.19, which has a 1 in the tenths place and a 9 in the hundreths place put together to get 28.19.
Step-by-step explanation:
please mark me as brainlyest
Answer:
Step-by-step explanation:
1/7x+1/3x=1
3/21x+7/21x=1
10/21x=1
x=21/10 hour or 2 hours and 1 minute
24 teaspoons?
since 1 10-ounce is 8 teaspoon
8 x 3 = 24
To convert 2.4 into a radical you have to write the equation;
2.4=√x; then you square both sides, to get x by itself, resulting in 5.8; and then you have to write; "2.4 in radical form is the square root of 5.8
