मान निकालें sin 900 + cos 00 + sin 300 + cos 600

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Indian Army GD is a part of the general duty section, where the real defense soldiers exist, this includes the Rifleman, the land defense force, fighting troops, drivers, operators, gunners, etc.

मान निकालें sin 90<sup>0 </sup>+ cos 0<sup>0 </sup>+ sin 30<sup>0 </sup>+ cos 60<sup>0</sup>