Write each ratio in simplest form as a fraction. Х
29
20
Y
21
N
a. Sin X =
Cos X=
Tan X =
b. Sin Y =
COS Y =
Tan Y =

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package