5 \sin 0^\circ + 6 \cos 90^\circ + 16 \sin 30^\circ + 18 \cos 0^\circ = ?

Haryana Police Constable Model Paper 5

Question : 49 of 100

Marks: +1, -0

5 \sin 0° + 6 \cos 90° + 16 \sin 30° + 18 \cos 0° = ?

Solution:

5 \sin 0° + 6 \cos 90° + 16 \sin 30° + 18 \cos 0°

⇒ 5 × 0 + 6 × 0 + 16 × 1/2 + 18 × 1

⇒ 0 + 0 + 8 + 18 = 26

∴ 5\sin 0° + 6 \cos 90° + 16 \sin 30° + 18 \cos 0° = 26

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