3 b) Show that the function given by f (x) = is
decreasing in
f(x) = sin x Since, for each So, we have Hence, f(x) = sin x is strictly decreasing in
CBSE Class 10, 12 practical exams 2025 for compartment students from July 10; detailed guidelines issued
CBSE Central Sector Scheme of Scholarship 2025 applications open on scholarships.gov.in
CBSE Board 2025: Class 10th, 12th supplementary date sheet out; exams from July 15
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