209k views
0 votes
Sinª A cosec² A+ cos4 A sec² A = 1

1 Answer

4 votes

Explanation:

sin4Acosec2A+cos4Asec2A=sin2Asin4A+cos2Acos4A=sin2A+cos2A=1

User Jitender Mahlawat
by
4.8k points