The value of $\sin 75°+\cos 75°$ is:

Important Questions on Trigonometry

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 67

The value of ${\sin }^2 5°+{\sin }^2 10°+{\sin }^2 85°+{\sin }^2 80°$.

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 68

The value of $3 {\tan }^2 45°-{\sin }^2 60°-\frac{1}{2}{\cot }^2 30°+\frac{1}{8}{\sec }^2 45°$ is:

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 70

${\cos }^2\left[\frac{\mathrm{\pi }}{4}\right]-{\cos }^4\left[\frac{\mathrm{\pi }}{6}\right]+{\sin }^4\left[\frac{\mathrm{\pi }}{6}\right]+{\sin }^4\left[\frac{\mathrm{\pi }}{3}\right]$ is equals to:

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 71

If $\sec \mathrm{A}+\tan \mathrm{A}=4$, then the value of $\sin \mathrm{A}$ is:

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 72

$(1+\cot \mathrm{A}-\mathrm{cosec} \mathrm{A})(1+\tan \mathrm{A}+\sec \mathrm{A})$ is equal to:

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 74

$\mathrm{tan\theta }\left(\frac{1}{1-{\cos }^2\mathrm{\theta }}\right)$ value is equal to:

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 75

Find the value of '?'
${\sin }^6\mathrm{\theta }+{\sin }^4\mathrm{\theta }.{\cos }^2\mathrm{\theta }-{\sin }^2\mathrm{\theta }.{\cos }^4\mathrm{\theta }-{\cos }^6\mathrm{\theta }=?$

EASY

UPSC CDS

IMPORTANT

SSC Advanced Maths Volume - I>Chapter 2 - Trigonometry>Previous Years Questions>Q 76

The value of $\frac{1+{\tan }^2\mathrm{\theta }}{1+{\cot }^2\mathrm{\theta }}$ is: