1. (a)
Given that
5
4
sin A= and cos B=- where 0°S A 90° and 90° s B s180°.
13
5
Where a, b and ceR. Find the values of tan A and tan B. Hence, evaluate
tan( A-B).
(b) By using compound angle formula, express cos 75° in the form of
ſa-ſo
where a, b and ceR. State the values of a and b.
с
Hence, evaluate cos 150°

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)