engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin(x - y) = 1/2 and cos(x + y) = 1/2, then what is the value of sin x cos x + 2sin2x + cos3x sec x ?
1
2
2
√2 + 1
3
1
4
3 / 4
5
None of these