Question

Write the values of sec 0, sec 30, sec 45, sec 60 and sec 90. What happens to sec x when x increases from 0 to 90 ?Brainly

Answer 1

Answer:

increases

Step-by-step explanation:

sec0 1

sec30 2/√3

sec 45 √2

sec 60 2

sec90 undefined

Answer 2

When x increases from 0 to 90 the sec x also increases from 1 to ∞.

Step-by-step explanation:

To find : Write the values of sec 0, sec 30, sec 45, sec 60 and sec 90. What happens to sec x when x increases from 0 to 90 ?

Solution :

Using trigonometric values,

$\sec 0=1$

$\sec 30=\frac{2\sqrt3}{3}$

$\sec 45=\frac{\sqrt3}{2}$

$\sec 60=\sqrt 2$

$\sec 90=\infty$

As we see that,

When x increases from 0 to 90 the sec x also increases from 1 to ∞.

#Learn more

Tan(45+A)×tan(45-A)​

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