Question

Find the value of sin²45°-cos²45°​

Answer 1

Answer:

sin²45°-cos²45° = (1)^2 - (1/√2)^2

sin²45°-cos²45° = 1 - 1 / 2 = 1 / 2

Step-by-step explanation:

it's my pleasure to help you

please mark me as a brainliest