If cot o =7/8 find the value of (1 + cos o) (1 - cos o ) /(1 + sin o) (1 - sin o)
Alanaaron
Asked:
December 2022
How many bricks of dimensions 22. 5 cm by 10cm by 7. 5cm each are required to built a wall 10m long, 45cm wide and 3m heigh (D)
If cot o =7/8 find the value of (1 + cos o) (1 - cos o ) /(1 + sin o) (1 - sin o)
Find 4/3 tan^2 30 + sin^2 60 - 3cos^2 60 +4/3 tan^2 60 - 2 tan2 45 (E)