Teaching DSSSB TGT Mock Test 2025 Quantitative Aptitude Trigonometry

જો \(\rm \frac{\cosθ}{(1+\sinθ)}+\frac{\cosθ}{(1-\sinθ)}\) = 4 અને θ ન્યુનકોણ હોય, તો θની કિંમત શોધો.

1
60°
2
15°
3
45°
4
30°
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