Question

if sin thita - cos thita= 0 then the value of sin ^4 thita + cos^4 thita is ___​

Answer 1

Answer:

mark m as brainlist

Step-by-step explanation:

sinθ-cosθ = 0

sinθ= cosθ

sinθ/cosθ = 1

tanθ = 1

Bu tan45 = 1

So,

tanθ=tan45

θ = 45°

sin45 = 1/√2  cos45 = 1/√2

sin⁴θ+cos⁴θ  = (1/√2)⁴+(1/√2)⁴   = 1/4+1/4 = 2/4 = 1/2 = 0.5