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Course: Class 9 (OD) > Unit 14
Lesson 3: Relation between square of trigonometric ratios- Intro to Pythagorean trigonometric identities
- Converting between trigonometric ratios example: write all ratios in terms of sine
- Trigonometric identity example proof involving sec, sin, and cos
- Evaluating expressions using basic trigonometric identities
- Trigonometric identity example proof involving sin, cos, and tan
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