Chapter 7, Section 7.7, Question 024 (a) If cos a = _V3 (a) If cos a...

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Chapter 7, Section 7.7, Question 024 (a) If cos a = _V3 (a) If cos a = - - and a is in the second quadrant, find exact values

math precalculus

Answer 1

Answer #1

- Given that cosa =-3 By -13 Applying Pythagarry theorem (13)+(2) = 6602 x² = 4% (13) x = 16-3 x² = 13 a = JB. nors oppo opp

Answer 2

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