Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Trigonometry Trigonometric Identities
What is the minimum value of \(\frac{{{a}^{2}}}{{{\cos }^{2}}x}+\frac{{{b}^{2}}}{{{\sin }^{2}}x}\) where a > 0 and b > 0
1
(a + b)2
2
(a - b)2
3
a2 + b2
4
|a2 + b2|