Class 10 maths lesson 1 part 7
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This document provides an introduction to trigonometric functions and ratios of specific angles. It includes definitions of trigonometric ratios like sine, cosine, and tangent. Examples are provided to illustrate calculating trigonometric ratios of sums and differences of angles. Statements about properties of trigonometric functions like sine, cosine and cotangent are given and the reader is asked to identify whether they are true or false.
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Class 10 maths lesson 1 part 7
- 1. Quality Education For All
- 4. Trigonometric Ratios of Some Specific Angles
- 5. Trigonometric Ratios of Some Specific Angles
- 6. Trigonometric Ratios of Some Specific Angles
- 7. Trigonometric Ratios of Some Specific Angles 𝟐 ∘ 𝟐 ∘ ∘ (B) 1 (C) ∘ (D) 0
- 8. Trigonometric Ratios of Some Specific Angles If and 𝟏 𝟑 ∘ ∘ , find and .
- 9. Trigonometric Ratios of Some Specific Angles State whether the following statements are true or false. Justify your answer. (i) sin (A + B) = sin A + sin B. (ii) The value of sin θ increases as θ increases. (iii) The value of cos θ increases as θ increases. (iv) sin θ = cos θ for all values of θ. (v) cot A is not defined for A = 0°.