2 2 (v) 5 cos? 60° + 4 sec? 30° – tan? 45° sin? 30° + cos2 30° .
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Step-by-step explanation:
5cos60°+4sec30°- tan 45°sin30° + cos^2 30
=5*1/2 +4*2/√3 - 1*1/2 + (√3/2)^2
=5/2 +8/√3 -1/2 +3/4
=5/2 +8√3 - 2/4+ 3/4
=10/4+1/4
= 11/5/
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