For all i's, i = 1, 2, 3, …, 20 lying between 0° and 90°, it is given that, sin ∝ 1 + sin ∝ 2 + sin ∝ 3 ………. + sin ∝ 20 = 20 What is the value (in degrees) of (∝ 1 + ∝ 2 + ∝ 3 + … … + ∝ 20 )?

SSC CHSL 11 July 2019 Shift 1 Paper

Question : 56 of 100

Marks: +1, -0

For all i's, i = 1, 2, 3, …, 20 lying between 0° and 90°, it is given that, sin ∝₁ + sin ∝₂+ sin ∝₃………. + sin ∝₂₀= 20
What is the value (in degrees) of (∝₁ + ∝₂ + ∝₃ + … … + ∝₂₀)?

1800
20
900
0

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