state gov Rajasthan Animal Attendant (पशु परिचर) Mock Test 2023-24 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
For any acute angle θ , sin θ + sin2 θ = 1, then the value of cos2 θ + cos4 θ = ______.
1
0
2
1
3
2
4
-1
5
Question Not Attempted