If $\tan ^{2} \theta = \sin ^{2} \theta + \cos ^{2} \theta$,then $\theta = \ldots$ (in $^{\circ}$)
- A$90$
- B$30$
- C$45$
- D$60$
Explore More
Similar Questions
If $\cos 9 \alpha = \sin \alpha$ and $9 \alpha < 90^{\circ},$ then the value of $\tan 5 \alpha$ is
Medium
View SolutionIf $\cos \theta = \frac{15}{17}$,then the value of $\operatorname{cosec} \theta + \cot \theta$ is .........
Easy
View SolutionWrite 'True' or 'False' and justify your answer.
$\sqrt{(1-\cos^2 \theta) \sec^2 \theta} = \tan \theta$
$\sqrt{(1-\cos^2 \theta) \sec^2 \theta} = \tan \theta$
Easy
View SolutionWrite 'True' or 'False' and justify your answer.
The value of $\sin \theta + \cos \theta$ is always greater than $1$.
The value of $\sin \theta + \cos \theta$ is always greater than $1$.
Easy
View SolutionIf $\cos (\alpha+\beta)=0,$ then $\sin (\alpha-\beta)$ can be reduced to
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo