exam Maths Puzzle Numerical Ability

given that cos@=1/4, and @ is in Quadrant IV, find the exact value for sin 2@, cos 3@, and tan @/2.

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exam Other Question

Using a calculator, find the value of cot (-414 degrees) to four decimal places.

a.-0.7265
b.-9.5143
c.-1.3764
d.-2.2460 Hi,

How would I graph A polynomial of three terms can I use the following term or is there a better one to graph? for this assignment.

The equation do not matter it just h