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Always remember that sin & cos are compliment to each other So sin ɵ = cos( 90-ɵ) So it is given that sin3A = cos(5A-30°) Hence 3A + 5A - 30° = 90° So 8A - 30° = 90° or 8A =90°+30° = 120° or A = 
= 15°
In the paragraphs given below count the number of grammatical errors and mark that as your answer.
The fall was driven off concerns over the latest US inflation data, which revealed stronger-than-expected consumer spending in October.
There is renewed sense (a) / of urgency in (b) / completing the project. (c) / No error (d)
