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Ncert Textbook Trigonometry Gseb Class 10 Maths Problems and Solutions
GSEB Class 10
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English > Maths > Ncert Textbook > Trigonometry
Question
Level
Action
State whether the following are true or false.
The value of tan A is always less than 1.......
Level 1
Express the trigonometric ratios $$\tan {A}$$ in terms of $$\cot {A} .$$......
Level 1
Express $$\sin 67^{\circ}+\cos 75^{\circ}$$ in terms of trigonometric ratios of angles between $$0^{......
Level 1
State whether true or false. $$cot A$$ is not defined for $$A=0^{\circ}$$. Justify your answer :......
Level 1
State whether it is true or false. Justify your answer: $$\sin \theta=\cos \theta$$ for all values o......
Level 1
State whether it is true or false. Justify your answer :
The value of $$\cos \theta$$ increases as $......
Level 1
State whether true or false. Justify your answer :The value of $$\sin \theta$$ increases as $$\theta......
Level 1
Choose the correct option and justify your choice : $$\sin 2 {~A}=2 \sin {A}$$ is true when $${A}=?$......
Level 1
Choose the correct option and justify your choice : $$\frac{1-\tan ^{2} 45}{1+\tan ^{2} 45}=$$......
Level 1
State whether it is true or false.
$$\sin \theta=\frac{4}{3},$$ for some angle $$\theta$$......
Level 1
Given $$sec \theta=\frac{13}{12},$$
Calculate value of $$\cos \theta ?$$......
Level 1
Choose the correct option and justify your choice :
$$\frac{2 \tan 30^{\circ}}{1-\tan ^{2} 30^{\cir......
Level 2
If $$\sec 4 {A}={cosec}\left({A}-20^{\circ}\right),$$ where $$4 {A}$$ is an acute angle, find the va......
Level 2
If $$\tan 2 {~A}=\cot \left({A}-18^{\circ}\right),$$ where $$2{A}$$ is an acute angle, find the valu......
Level 2