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5 If tan 0=4₁ (a) sin (20) Зл <0<2, find the exact value of each of the following. 0 0 (d) cos 2 (b) cos (20) (c) sin
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5 If tan 0=4₁ (a) sin (20) Зл <0<2, find the exact value of each of the following. 0 0 (d) cos 2 (b) cos (20) (c) sin
5 If tan 0=4₁ (a) sin (20) Зл <0<2, find the exact value of each of the following. 0 0 (d) cos 2 (b) cos (20) (c) sin