The value of $\mathrm{cot\theta }$ is always less than $1$.

Important Questions on Introduction to Trigonometry

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 10

If $\mathrm{A}, \mathrm{B}, \mathrm{C}$ are angles of a $△\mathrm{ABC}$, then $\tan \left(\frac{\mathrm{C}+\mathrm{A}}{2}\right)=\cot \frac{\mathrm{B}}{2}$

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 1

The value of $\cot 90°=$_____

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 2

If $\cos \theta =1$, then $\theta =$ _____.

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 3

$(1+co{t}^2\theta ) (1+\cos \theta ) (1-\cos \theta )=$ _____

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 4

$2{\tan }^{2}45°+2{\cos }^{2}45°+3\cos 90°=$_____

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 6

$\cos 0°\cos 30°\cos 60°\cos 90°=$_____

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 7

If $\sin \theta =\cos \theta$, then the value of ${\sin }^4\theta +{\cos }^4\theta$ is _____.

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 8 - Introduction to Trigonometry>FOR ASSESSMENT>Q 9

If $0°<A<90°$ and $\sin A=\sqrt{3}\cos A,$ then the value of $A=$_____$°$ .