Mathematics, 30.11.2019 16:31 Leftie500

I) express cos 30 in terms of cos 0.
32. il cos a = 2 (1 in quadranı iv) and sinb = (b in quadrant ii )find,

(i) sin(a - b)
(iii) cos(a+b)
23. find the exact value of by using the sum or difference formulas;

i) sin 105 degrees
(ii) cos 225°

Answers: 2

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I) express cos 30 in terms of cos 0.
32. il cos a = 2 (1 in quadranı iv) and sinb = (b in quadr...

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More questions: Mathematics Another questions

I) express cos 30 in terms of cos 0.32. il cos a = 2 (1 in quadranı iv) and sinb = (b in quadrant ii )find,(i) sin(a - b)(iii) cos(a+b)23. find the exact value of by using the sum or difference formulas; i) sin 105 degrees(ii) cos 225°

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Another question on Mathematics

I) express cos 30 in terms of cos 0.
32. il cos a = 2 (1 in quadranı iv) and sinb = (b in quadrant ii )find,

(i) sin(a - b)
(iii) cos(a+b)
23. find the exact value of by using the sum or difference formulas;

i) sin 105 degrees
(ii) cos 225°