Question

12. Prove that: 2 (sin A + cos A)-3(sin4A + cos4A) + 1 = 0
13. If tano + sino = m and tano - sino = n, show that: m2
n2 = vmn​

Answer 1

Answer:

sorry is type ka question nhi aata hai

Answer 2

Step-by-step explanation:

2(sin A +cos A ) - 3 sin4A + cos 4A ) + 1 = 0

see answer in photo