Grade 11Discuss with colleagues and IITians
I have a new trignometry trick for finding sin θ and cos θ at 0° to 90°
trick sin θ cosθ
0° 0/√4 0 1
30° √1/√4 1/√2 √3/2
45° √2/√4 1/2 1/2
60° √3/√4 √3/2 1/√2
90° √4/√4 1 0
I have a new trignometry trick for finding sin θ and cos θ at 0° to 90°
trick sin θ cosθ
0° 0/√4 0 1
30° √1/√4 1/√2 √3/2
45° √2/√4 1/2 1/2
60° √3/√4 √3/2 1/√2
90° √4/√4 1 0
