MCQ
If $\sec \theta+\tan \theta=x$, then $\tan \theta=$
- A$\frac{x^2+1}{x}$
- B$\frac{x^2-1}{x}$
- C$\frac{x^2+1}{2 x}$
- ✓$\frac{x^2-1}{2 x}$
✓
Answer
Correct option: D.
$\frac{x^2-1}{2 x}$
D
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The length of an arc of the sector of angle $\theta^\circ$ of a circle with radius $R$ is :
→If $\tan\theta=\frac{1}{\sqrt{7}},$ then $\frac{\text{cosec}^2\theta-\sec^2\theta}{\text{cosec}^2\theta+\sec^2\theta}=$
→→
Which of the following rational numbers have terminating decimal?
→- $\frac{16}{225}$
- $\frac{5}{18}$
- $\frac{2}{21}$
- $\frac{7}{250}$
The ratio in which the line segment joining $P\left(x_1, y_1\right)$ and $Q\left(x_2, y_2\right)$ is divided by $x$-axis is
→A number is selected from numbers $1$ to $25.$ The probability that it is prime is:
→The value of $k$ for which the system of equations $2 x+3 y=5$ and, $4 x+k y=10$ has infinite mber of solutions, is
→The value of $x$ for which $2 x, x+10$ and $3 x+2$ are the three consecutive terms of an A.P. is
→In Fig. two concentric circles of radii 3 cm and 5 cm are given. Then length of chord $B C$ which touches the inner circle at $P$ is equal to
→Aarushi sold 100 lottery tickets in which 5 tickets carry prizes. If Priya purchased a ticket, what is the probability of Priya winning a prize?