Answer available
Class 9 · Mathematics · Trigonometrical Ratios
State the three reciprocal relations and the two quotient relations among the trigonometric ratios.
3 marksMediumShort answer
Class 9 · ICSE · Mathematics
Trigonometrical Ratios
Trigonometric ratios of an acute angle and the relations between them.
- Questions
- 8
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ICSE syllabus (CISCE)
Questions
8 questions in this chapter.
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
If sin A = 5/13 and A is acute, find cos A and tan A.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
Define the six trigonometric ratios of an acute angle of a right-angled triangle.
2 marksEasyShort answer
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
Prove that sin2θ + cos2θ = 1 for an acute angle θ.
3 marksMediumStructured
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
In a right-angled triangle, sin θ is:
1 markEasyMCQ
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
If cos θ = 12/13 and θ is acute, find sin θ and cot θ.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
If tan θ = 3/4, find sin θ and cos θ for an acute angle θ.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Trigonometrical Ratios
If sin θ = 3/5, find the value of cos θ, where θ is an acute angle.
2 marksEasyNumerical