Question: How would I solve this double angle/ half angle equation (a) sin(20) 3 7. sin 0 5' (b) cos(20) 2 (c) sing 2 (d) cos;

How would I solve this double angle/ half angle equation

(a) sin(20) 3 7. sin 0 5' (b) cos(20) 2 (c) sing

(a) sin(20) 3 7. sin 0 5' (b) cos(20) 2 (c) sing 2 (d) cos;

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