Question

find the value of sec(-1740)​

Answer 1

Solution :

Sec (-1740)

Sec (1740)

Sec( 360 × 5 - 60)

Sec (60)

2

Formula used :

$\tt \hookrightarrow Sec( - \theta) = Sec( \theta)$

$\tt \hookrightarrow Sec(360 \times n - \theta) = Sec(\theta)$

Answer 2

Answer:

2

Step-by-step explanation:

sec(-1760) = sec-(360×5-60)= sec(60)= 2