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Question: Answered & Verified by Expert
$30^{\circ} 30^t$ is equal to
MathematicsTrigonometric Ratios & IdentitiesJEE Main
Options:
  • A $\left(\frac{41}{2}\right)^{\circ}$
  • B $61^{\circ}$
  • C $\left(\frac{61}{2}\right)^{\circ}$
  • D None of these
Solution:
1710 Upvotes Verified Answer
The correct answer is: $\left(\frac{61}{2}\right)^{\circ}$
We know that $30^{\prime}=\left(\frac{1}{2}\right)^2$
$30^{\circ}+\left(\frac{1}{2}\right)^{\circ}=\left(\frac{61}{2}\right)^{\circ}$

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