cosec A is the reciprocal of:
Atan A
Bcot A
Csin A
Dcos A
Answer & Solution
Correct answer: C. sin A
1. Three ratios are defined as reciprocals of the first three.
2. cosec pairs with the first of them.
3. cosec A is the reciprocal of sin A.
4. So the answer is sin A.
_Source: NCERT Class 10 Mathematics, Ch 8 'Introduction to Trigonometry'_
Related questions
Ratios are also defined for angles of measure 0 and:If the sides about the right angle are 3k and 4k, the hypotenuse is:tan A can be written as sin A divided by:The identity cosec2 A equals 1 plus:The identity sec2 A minus tan2 A equals:Which identity is proved first in this chain?An equation true for all values of the angle is called an:The value of cosec 30 degrees is: