Learn CBSE Forum
Tan^2A+tan^2B=(sin^2A-sin^2B)/cos^2A-cos^2B
Home Work Help
home-work-help
,
sin-2a-cos-2a
Dhanalakshmi
June 29, 2019, 10:49am
1
Tan
2
A+tan
2
B=(sin
2
A-sin
2
B)/cos
2
A-cos
2
B
Dhanalakshmi
June 29, 2019, 10:50am
2
