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°

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m