Question
Which of the following have the theme âBeat Plastic
Pollutionâ for 2023?Solution
Theme for the World Environment Day 2023 is under the campaign #BeatPlasticPollution, 'Ecosystem Restoration'. It is a reminder that people's action on plastic matters as the material is slowly seeping into our oceans, soil and forest and causing irreparable damage.
The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...
- If 3cos²A + 2sin²A = 11/5, then find the value of (sec²A - 1)

If cos2B = sin(2B - 30°), then find the measure of 'B'.
If cot A = â3, then what will be the value of sin4 A?
- If 5cos²A + 2sin²A = 13/3, then find the value of (sec²A - 1)
If sec 4A = cosec (3A - 50°), where 4A and 3A are acute angles, find the value of A + 75.
If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ?Â
1. q3 â 2p + ...