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2. Sec 5.2 Use cos(u + v) = cos u cosv – sin u sin v to find the exact value of cos(+3). 3. See 5.2 Verify: cos(x + 3) + cos

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find the chord salue of Cor (1) we know Com (uto) = Copu.Coou Sinu sinu Cor(a) Cor A COTE sinn sing 3 2 3 el 2 1-3 212 © Cop- Copa Coran - Sinn Singh sina sin 3A Coon Corak 2 2Coon Cop 37 2 2 lopn Cop (257) 2opa Copa 2 OPA :Copa, p=0 Verified ☺ SolvSina-4 B &inn 4 not possible LR 1 Sinn N = . 2 솔 As R AI QUAD CAMERA Shot on realme 5

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