exam Maths Puzzle Numerical Ability

Solve the equation in the interval 0<_ x < 293.14). the equation is: (tan^2)X = sin x sec x

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exam Other Question

Solving combined inequalities
2 is less than y plus 6/2 is less than 5
AND
(4-y is less than 5 OR 4+y is less than 7) I need the answer and steps to solving this word problem thanks

The Fahrenheit and Celsius Scales are related by the equation F=9/5C+32.
What temperature Celsius would give the body temperature of 98.6 degrees F?