1) Prove, stating explicitly and clearly beside each step in general form the fundamental trig identity or algebraic operation justifying that step: sin (x-(pi/2) = -cos x

2) Solve for angle C only: triangle with sides a=4, b=3, c=6.

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1) The trigonometric identity is proved by... View the full answer

(1) Prove has been given in explanation part.... View the full answer