>
Exams
>
Mathematics
>
Trigonometry
>
if 2 3 then cos
Question:
If
\(\sec \theta = \frac{2}{\sqrt{3}}\)
,then
\(cosθ=\)
TS POLYCET - 2023
TS POLYCET
Updated On:
Jul 5, 2024
\(\frac{\sqrt{3}}{2}\)
\(\frac{2}{\sqrt{3}}\)
\(\frac{1}{\sqrt{2}}\)
\(\frac{1}{\sqrt{3}}\)
Hide Solution
Verified By Collegedunia
The Correct Option is
A
Solution and Explanation
The correct option is (A): \(\frac{\sqrt{3}}{2}\)
Download Solution in PDF
Was this answer helpful?
0
1
Top Questions on Trigonometry
Let \( S = \{ x : \cos^{-1} x = \pi + \sin^{-1} x + \sin^{-1} (2x + 1) \ \). Then \[ \sum_{x \in S} (2x - 1)^2 \text{ is equal to:} \]
JEE Main - 2025
Mathematics
Trigonometry
View Solution
If
\[ \sum_{r=1}^{13} \frac{1}{\sin \frac{\pi}{4} + (r-1) \frac{\pi}{6}} \sin \frac{\pi}{4} + \frac{\pi}{6} = a \sqrt{3} + b, \quad a, b \in \mathbb{Z}, { then } a^2 + b^2 { is equal to:} \]
JEE Main - 2025
Mathematics
Trigonometry
View Solution
If
\[ \sum_{r=1}^{13} \frac{1}{\sin \frac{\pi}{4} + (r-1) \frac{\pi}{6}} \sin \frac{\pi}{4} + \frac{\pi}{6} = a \sqrt{3} + b, \quad a, b \in \mathbb{Z}, { then } a^2 + b^2 { is equal to:} \]
JEE Main - 2025
Mathematics
Trigonometry
View Solution
The value of \( \cos \left( \frac{\pi}{6} + \cot^{-1}(-\sqrt{3}) \right) \) is:
CBSE CLASS XII - 2025
Mathematics
Trigonometry
View Solution
If \( \sin^{-1} x + \cos^{-1} y = \frac{3\pi}{10} \), then the value of \( \cos^{-1} x + \sin^{-1} y \) is:
MHT CET - 2024
Mathematics
Trigonometry
View Solution
View More Questions
Questions Asked in TS POLYCET exam
In the figure, if AP and AQ are the two tangents to a circle with centre 'O' so that
\(∠OQP=15°\)
, then
\(∠QAP=\)
TS POLYCET - 2023
Tangent to a Circle
View Solution
If 5x+py+8=0 and 10x+15y+12=0 has no solution, then p =
TS POLYCET - 2023
Quadratic Equations
View Solution
When white light is incident on a glass prism, the least deviated colour is
TS POLYCET - 2023
Wave Optics
View Solution
What is the focal length of double concave lens kept in air with two spherical surfaces radii R
1
= 20 cm and R
2
= 40 cm. Take refractive index of lens n =
\(\frac{5}{3}\)
TS POLYCET - 2023
Refraction of Light
View Solution
If A= {P,O,L,Y,T,E,C,H,N, I} and B = {E, X, A, M}, then
\(A∩B =\)
TS POLYCET - 2023
Operations on Sets
View Solution
View More Questions