Question

Which shows all the exact solutions of 2sec²x-tan^x=-1? Give your answer in radians.

0+
O +k and+k
0+ -2k* and 5+2K*
3
7%
5+28
4
○ 주 +2kx3+2kx +2kx, and 7+2kx
+kr2+ks 4*k* and 5+k
47
+ K
Kx

Answer 1

Explanation:

The exact solutions for the equation 2sec²x - tan²x = -1 in radians are:

x = π/4 + πk, where k is an integer

x = 3π/4 + πk, where k is an integer

These solutions represent all the values of x that satisfy the given equation.