Cho tam giác abc vuông tại a tính độ dài các cạnh ab ac biết 1) BS=1cm; sinB=3/5
2) BC=13cm; cosB=5/13
3) BC=2cm; tanB= căn 3
4) BC=41cm; cotB=9/14

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Which of the following is the true for f(x) = 5cos