Question

sec 190 into positive acute angles trigonometrical ratio​

Answer 1

Answer:

not sec 190 right question is sec90=1

Answer 2

Answer:

Step 1 :. Sec(2×90 + 10 )

Step 2: -Sec 10 {3rd quadrant according to ASTC rule}

Step 3: Sec 10

Step-by-step explanation:

First we break 190 as (2× 90 +10 )

Since 90 is multipled by 2(an even number) SEC doesn't change.

Again we have a formula that -(secA)=secA