Question

sec 30° + sec 45° + sec 60°​

Answer 1

Answer:

135 sec

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Using trigonometric values,

\sec 0=1sec0=1

\sec 30=\frac{2\sqrt3}{3}sec30=

3

2

3

\sec 45=\frac{\sqrt3}{2}sec45=

2

3

\sec 60=\sqrt 2sec60=

2

\sec 90=\inftysec90=∞

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)