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hba
 2 years ago
Find the domain and range of the following functions:
(a)y=secx
hba
 2 years ago
Find the domain and range of the following functions: (a)y=secx

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yaho021
 2 years ago
Best ResponseYou've already chosen the best response.0\[x \neq \frac{ \Pi }{ 2 }, \frac{ 3\Pi }{ 2 }, \frac{ 5\Pi }{ 2 }, . . . . . . .\] \[range : y \ge 1 and y \le 1\]

hba
 2 years ago
Best ResponseYou've already chosen the best response.0Ahm @yaho021 Domain=R{x=n(pi/2)} Where pi=1,3,5........ Couldn't get the range thing :/

hba
 2 years ago
Best ResponseYou've already chosen the best response.0How do we determine the range ?

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2\[\sec(x) = \dfrac{1}{\cos(x)}\]The range of values is \((\infty , \infty)\).

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2I may be wrong... let's see

hba
 2 years ago
Best ResponseYou've already chosen the best response.0Everyone is confusing me :/

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2No, I meant when \(\cos(x)\) tends to \(0\) from the right side, then \(\sec(x) \) goes towards \(\infty\). And when it tends to \(0\) from the left, then \(\sec(x)\) goes towards \( \infty\).

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2So the range is all real numbers.

hba
 2 years ago
Best ResponseYou've already chosen the best response.0Okay someone said it would be All real numbers(1,1)

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2That's the range of \(\cos(x)\), not \(\sec(x)\)

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2Think about the range of \(\dfrac{1}{x}\). Whenever \(x\) is near zero, \(\dfrac{1}{x}\) is near infinity.

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2\[\dfrac{1}{0.0000001} = 1000000\]

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.2YAY! I was right! I thought I'd make a fool of myself
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