MCQ
निम्नस्पिखित में खोन-सा सत्य है?
- A$\sin 30^{\circ}=\tan 30^{\circ}$
- B$\tan 60^{\circ}=\operatorname{cosec} 60^{\circ}$
- ✓$\sec 45^{\circ}=\operatorname{cosec} 45^{\circ}$
- D$\cos 45^{\circ}=\sec 45^{\circ}$
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