Question

Ai chỉ tớ với 🥲

Answer 1

a: \(A=\left(\sin^236^0+\cos^236^0\right)-1=1-1=0\)

b: \(B=\dfrac{2\cdot\cot35^0}{\cot35^0}+1=2+1=3\)

Answer 2

`a, = sin^2 36 + sin^2 54 - tan25^o xx tan 65^o`

`= 1 -1`

`=0`

`b, = (2(cot35^o))/(cot35^o) + sin^2 72^o + sin^2 18^0`

`= 2 + 1 = 3`