Trigo Problem Sheet-1

34 if sin sin 2 sin 3 sin 4 0 show that is either

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Unformatted text preview: β, p, and q , and deduce that p2 + q 2 − 2pq sin(α + β ) = cos2 (α + β ). 30. Find the general solution of the equation sin 2x + sin 3x + sin 5x = 0. 31. Prove that cos3 x − 32. Prove that 2π 3 + cos3 x + cos3 x + 2π 3 = 3 cos 3x. 4 sin α + cos α sin β + cos β cos θ + sin θ + = . sin(θ − α) sin(α − β ) sin(θ − β ) sin(β − α) sin(θ − α) sin(θ − β ) 33. Find in radians, the general solution of the equation 4 sin θ = sec θ. 34. If sin θ + sin 2θ + sin 3θ + sin 4...
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This note was uploaded on 03/26/2013 for the course SENG 1 taught by Professor Mf during the Spring '13 term at UCL.

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