5. ਮੁੱਲ ਪਤਾ ਕਰੋ ( Evaluate)
3 cos2-30 +2 tan245 - Sin60.
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Step-by-step explanation:
3 cos 2
=0.99939027
2-30+2=-26
tan245
= 2.144506921
sin60
=0.866025403
2.144506921- 0.866025403
=1.278481518
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