The symbol sin A is short for:
ASide of angle A
BSine of angle A
CSin times angle
DSum of angle A
Answer & Solution
Correct answer: B. Sine of angle A
1. The notation is an abbreviation, not a multiplication.
2. It names a ratio belonging to the angle.
3. sin A means the sine of the angle A.
4. So the answer is sine of angle 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: