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Last updated at Aug. 11, 2021 by Teachoo

Transcript

Ex 8.3, 2 Show that : (ii) cos 38 cos 52 sin 38 sin 52 = 0 Taking L.H.S cos 38 cos 52 sin 38 sin 52 = cos (90 52) cos (90 38) sin 38 sin 52 = sin 52 sin 38 sin 38 sin 52 = 0 = R.H.S L.H.S = R.H.S Hence proved

Ex 8.3

Ex 8.3, 1 (i)
Deleted for CBSE Board 2022 Exams

Ex 8.3, 1 (ii) Important Deleted for CBSE Board 2022 Exams

Ex 8.3, 1 (iii) Deleted for CBSE Board 2022 Exams

Ex 8.3, 1 (iv) Important Deleted for CBSE Board 2022 Exams

Ex 8.3, 2 (i) Important Deleted for CBSE Board 2022 Exams

Ex 8.3, 2 (ii) Deleted for CBSE Board 2022 Exams You are here

Ex 8.3, 3 Deleted for CBSE Board 2022 Exams

Ex 8.3, 4 Deleted for CBSE Board 2022 Exams

Ex 8.3, 5 Important Deleted for CBSE Board 2022 Exams

Ex 8.3, 6 Important Deleted for CBSE Board 2022 Exams

Ex 8.3, 7 Deleted for CBSE Board 2022 Exams

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.