Why does tan 60 degrees equal the square root of 3? if i use a calculator to calculate i get 1.7 but how would i guess square root of 3?

12 is 33 1/3% of 36 what is the whole

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?