Question

4(Sin^4 30° + cos^4 60°) - 3(cos^2 45° - sin^2 90°) + 5cos^2 90°

Answer 1

Step-by-step explanation:

this is the answer

Answer 2

Answer:

Step-by-step explanation:

4[(1/2)^4+(1/2)^4]-3[(1/√2)^2-1^2]+5(0)^2

4(1/16+1/16)-3(1/2-1)+0

4(2/16)-3(-1/2)

1/2+3/2

4/2

2.