OLUN Simplity each of the following expressions.
sin 20 cos pcos 20 sin 0
cos p cos 70 -sin o sin 70
(i) sin 120° cos 60° + cos 120° sin 60°
(iv) cos O cos 0 -sin O sin 0
Evaluate the following without using calculator

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position