Question: Question 3 3.1 Without using a calculator, determine the exact value of (a) vtan' 60 + sec 45 + cosec-30 (b) cos245 - cot230 3.2

Question 3 3.1 Without using a calculator, determine the exact value of (a) vtan' 60 + sec 45 + cosec-30 (b) cos245 - cot230 3.2 COS O sin 0 Prove that (a) X = tand 1 + sin0 1 - sin 0 (b) tan x - 1 = tan2x 1 - cot2 x 3.3 (a) Sketch the graph of y = coso for 0' s 0

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