Introduction to Trigonometry | Class 10th Maths | Notes, Important Questions, Previous Years Questions, Sample Papers | As Per New Syllabus

Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios whichever are defined at 0o and 90o. Values of the trigonometric ratios of 300 , 450 and 600. Relationships between the ratios.

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