5.5 Determine the inclination of line DC. (3) [20] QUESTION 6 Answer this question WITHOUT using a calculator : 6.1 If , determine the value of each of the following in terms of : 6.1.1 (2) 6.1.2 (3) 6.1.3 (3) 6.2 Simplify: (8) [16] QUESTION 7 7.1 Prove the identity: (5) 7.2 Determine the general solution for if : : (8) [13] QUESTION 8 The curves of and in the interval [ - 120° ; 60° ] are shown in the diagram . f g x 8.1 Write down the equations of and in the form ( and ( ) (2) f g f x g x ) = ….. =…. 8.2 Determine the coordinates of the points where ( ) = ( ) by reading off f x g x the values from the graph . (2) 8.3 Determine the values of in the interval [ - 120° ; 60° ] for which x x ( ).g ( ) 0 (3) f x x ≤ 8.4 Determine the values of in the interval [ - 120° ; 60° ] where is undefined. (1) x x 8.5 For which values of in the interval [ - 120° ; 60° ] is (1) x x [9] QUESTION 9 9.1 In ABC, the angles are acute. Prove that . (4)
5.5 Determine the inclination of line DC. (3) [20] QUESTION 6 Answer this question WITHOUT using a calculator : 6.1 If , determine the value of each of the following in terms of : 6.1.1 (2) 6.1.2 (3) 6.1.3 (3) 6.2 Simplify: (8) [16] QUESTION 7 7.1 Prove the identity: (5) 7.2 Determine the general solution for if : : (8) [13] QUESTION 8 The curves of f and g in the interval x [ - 120° ; 60° ] are shown in the diagram . 8.1 Write down the equations of f and g in the form f ( x ) = ….. and g ( x ) =…. (2) 8.2 Determine the coordinates of the points where f ( x ) = g ( x ) by reading off the values from the graph . (2) 8.3 Determine the values of x in the interval x [ - 120° ; 60° ] for which f ( x ).g ( x ) ≤ 0 (3) 8.4 Determine the values of x in the interval x [ - 120° ; 60° ] where is undefined. (1) 8.5 For which values of x in the interval x [ - 120° ; 60° ] is (1) [9] QUESTION 9 9.1 In ABC, the angles are acute. Prove that . (4)
Eng_P2_June_2014_finalEng%20P2%20June%202014%20final_q3GKjw.docx