Answer:
The exact value is 3
Explanation:
1. You simplify the equation by factoring 2 from the first two terms
2. Apply Pythagorean to make the equation 2 * 1 + csc^2(π/5) - cot^2(π/5)
- Then apply Pythagorean again to make the equation 2 * 1 + 1
3. Simplify and you get 3
Hope this helps :)