In the fourth quadrant, a is positive and b is:
ANominal
BNegative
CNormative
DNotional
Answer & Solution
Correct answer: B. Negative
1. The third quadrant has both negative.
2. Only one sign flips going into the fourth.
3. The coordinate b is negative.
_Source: NCERT Class 11 Mathematics, Ch 3 'Trigonometric Functions'_
Related questions
Expressed in the form $R in(x-\beta)$, the expression $3 in x-2\cos x$ has:Given $ in x=\dfrac35$ with $x$ obtuse and $\cos y=\dfrac{24}{25}$ with $y$ acute, the exaGiven $\tan(2x+y)=2$ and $\tan 2x=\dfrac32$, the value of $\tan y$ is:Factorised using the factor formulae, $\cos\theta-\cos3\theta-\cos5\theta+\cos7\theta$ equValues of trigonometric functions at 0, 30, 45, 60 and 90 degrees are:The sine function is positive for angles between zero and:In the third quadrant, the coordinates a and b are:In the second quadrant, the coordinate a is: