Question

1. Calculate sin (x + y) when sin (x) = 0.20 (0 < x < π/2)...

1. Calculate sin (x + y) when sin (x) = 0.20 (0 < x < π/2) and
sin (y) = 0.60 (π/2 < y< π) .

2. Find two vectors that have the same magnitude and are perpendicular
to 3i + 5j

3. Two vectors are given by a = 3i + 2j and b = −i + 5j. Calculate the
vector product of axb.

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