Class 10 Trigonometry Chapter 8 Exercise 8.1 Question no 7, 8 and 9 in Tamil / Cbse New Syllabus 2024-2o25 / Kalvikan
👉 Class 10 Introduction to Trigonometry: • Class 10 Introduction ...
8. If 3 cot A = 4 , check whether 1- tan² A / 1 + tan ² A = cos² A - sin² A or not.
9. In triangle ABC , right -angled at B, if tan A = 1/ √3, find the value of:
(i) sin A cos C + cos A sin C
(ii) cos A cos C - sin A sin C
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13 сен 2024
