Question

50
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Answer 1

Answer:

$\displaystyle\huge\red{\underline{\underline{Solution}}}$

$50 \times 50 = 2500 \\ 50 \times 500 = 25000$

Answer 2

Function Domain Range

f(x) = sin ( x ) (-∞ , + ∞) [-1 , 1]

f(x) = cos ( x ) (-∞ , + ∞) [-1 , 1]

f(x) = tan ( x ) All real numbers except π/2 + n*π (-in , + ∞)

f(x) = sec ( x ) All real numbers except π/2 + n*π (-∞ , -1] U [1 , + ∞)