exam Maths Puzzle Numerical Ability

given that sin angle=-8/17, angle in QIV, find sin(angle/2) and cos(angle/2) I do not understand this kind of problem can someone help me

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exam Other Question

write the equation of the line passing through each of thhe given pairs of points. write your results in slop-intercept form, where possible.
1. (-1,3) and (4,-2) A small firm produces both AM and AM/FM car radios. The AM radios take 15 h to produce. The M/FM radios take 20 h. The # of production hours is limited to 300 h per week. The plant