engineering recuitment AAI JE Technical Mock Test 2020-21 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If x cosθ – y sinθ = 1 and x sinθ + y cosθ = 4, then the value of 19x2 + 19y2 is:
1
367
2
343
3
353
4
323
If x cosθ – y sinθ = 1 and x sinθ + y cosθ = 4, then the value of 19x2 + 19y2 is: