“World in 2030” a Survey Report was recently published by which organization?
On 31 March, UNESCO publishes its new “The World in 2030” survey report, which presents the results of an interactive survey and consultation collecting responses from more than 15,000 people worldwide in 2020 and it shows that climate change and loss of biodiversity was by far the most-selected challenge, chosen by 67% of respondents.
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
Evaluate, tan 17° tan 32° + tan 32° tan 41° + tan 41° tan 17° =?
Find the value of `1/2` cosec 10 - `2/(cosec 70)` ?
If 2y . cos θ - x . sin θ = 0 and 2x . sec θ - y . cosec θ = 3, what is the value of x² + 4y²?
cos A (sec A – cos A) (cot A + tan A) = ?
If √3 tan 2θ – 3 = 0, then find the value of tanθ secθ – cosθ where 0 < θ < 90°
The maximum value of 15 sin2 θ + 8 cos2 θ is