sin 30 sin 60+3 cos 60° tan 45º = 2 sec 45° - cos ec?90
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Step-by-step explanation:
sin 30 sin 60+3 cos 60° tan 45º = 2 sec 45° - cos ec?90
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Step-by-step explanation:
1st equation 1/2 × root 3/2 +3×1/2×1= (3+ root3)/2
2nd equation 2×root2 -1 Not possible
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