Question: If sin t = 0.8 and cos t < 0, find each value. (a) sin (- t) (b) cos t (c) sin 2 t (d)

If sin t = 0.8 and cos t < 0, find each value.
(a) sin (- t)
(b) cos t
(c) sin 2 t
(d) tan t
(e) cos (π/2 - t)
(f) sin (π + t)

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