Question
Which country recently lost its measles-free status
after more than a year of continuous transmission?ÂSolution
Canada lost its measles-free status after 12 months of sustained transmission, with over 5,100 cases and two infant deaths in 2025. The outbreak was linked to declining vaccination rates and misinformation. Canada had maintained elimination status since 1998Â
If tanθ + secθ = 5, find the value of sinθ.
What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?
What is the simplified value of the given expression?
3(sin² 30° + sin² 60°) + 6sin 45° - (3sec 60° + cot 45°)
Find the value of the given trigonometric expression:
(sin 10°cos 80° + cos²10°) × sin 30° + (cos 60°tan 45°) × sec 60°
...- If sin 2a = (3/4), then find the value of (sin a + cos a).
If √3 tan x = 3, then the value of x:
If sec x + tan x = 11 then find secx?
If cos 2A = 1, then find cos A
If sec A + tan A = 7 and sec A - tan A = (1/7), find the value of cos A.
- If cos2B = sin(1.5B - 36 o ) , then find the measure of 'B'.
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