← 13.12 MATH104 APRIL... + Question 3 a) If sin = 0.625 and cos 0 = 0.500, determine and explain without using trigonotr

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13 12 Math104 April Question 3 A If Sin 0 625 And Cos 0 0 500 Determine And Explain Without Using Trigonotr 1 (106.42 KiB) Viewed 27 times

← 13.12 MATH104 APRIL... + Question 3 a) If sin = 0.625 and cos 0 = 0.500, determine and explain without using trigonotric tables or calculators, the values of the following, illustrate where necessary i. cosec 8 ii sec 0 iii. tan 0 iv. cot Major Topic Score Blooms Designation EV Introduction to trigonometry 7 b) Determine the modulus and argument of the complex nnumber Z=2+J3and express Z in polar form Major Topic Complex number Blooms Designation EV Score 7 c) i. The mathematical expression 6+2(1+2) was given to a boy and a girl to solve. Prove by explaining that the boy's answer was 1 and that of the girl was 9. ii. When x=9 and y = 2, an expression 2x/3y-1 produced two different answers, 2 and 11. Explain why two different answers could be arrived at and how can this ambiguity be cleared? Major Topic Blooms Designation AN Score 6 Basic arithmetic and algebra d) You are given that a is a value between the limits 0<a<1. Express the following in ascending order and state reasons for your order: aº, a, a², a² ,a¹/2 Major Topic Score Blooms Designation AN Indices 5 7:28 A PO • 62 :