Write true or false : sin 30º + sin 60º > sin 90º
Answer : True
Explanation : LHS = sin 30º + sin 60º
= 1/2 +√3/2
= 1 + √3/2
= 1 + 1.732/2
= 2.732/2
= 1.366
RHS = sin 90º
= 1
∴ LHS > RHS .
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