sec A is the reciprocal of:
Asin A
Btan A
Ccot A
Dcos A
Answer & Solution
Correct answer: D. cos A
1. sec, cosec and cot are the reciprocal ratios.
2. cosec pairs with sin and cot pairs with tan.
3. So sec A is the reciprocal of cos A.
4. The answer is cos A.
_Source: NCERT Class 10 Mathematics, Ch 8 'Introduction to Trigonometry'_
Related questions
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