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Ex 8.3
Ex 8.3, 1 (ii) Important Deleted for CBSE Board 2023 Exams
Ex 8.3, 1 (iii) Deleted for CBSE Board 2023 Exams
Ex 8.3, 1 (iv) Important Deleted for CBSE Board 2023 Exams
Ex 8.3, 2 (i) Important Deleted for CBSE Board 2023 Exams
Ex 8.3, 2 (ii) Deleted for CBSE Board 2023 Exams You are here
Ex 8.3, 3 Deleted for CBSE Board 2023 Exams
Ex 8.3, 4 Deleted for CBSE Board 2023 Exams
Ex 8.3, 5 Important Deleted for CBSE Board 2023 Exams
Ex 8.3, 6 Important Deleted for CBSE Board 2023 Exams
Ex 8.3, 7 Deleted for CBSE Board 2023 Exams
Last updated at Aug. 11, 2021 by Teachoo
Maths Crash Course - Live lectures + all videos + Real time Doubt solving!
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