sin 60°/cos^2 45°-3tan 30°+5cos90°
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Step-by-step explanation:
Now
sin60/cos^2 45°−3tan30°+5cos 90°
2
1
2
3
−3×
3
1
+5×0 [ Using the values of sin, cos and tan 's]
=
3
−
3
+0
=0.
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