SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि a = sin θ + cos θ और b = sin θ - cos θ हो तो a(a-1) + b(b-1) किसके बराबर है?
1
2sin θ
2
2(1 - cos θ)
3
2 cos θ
4
2(1 - sin θ)