Question

4(sin^4 30° + cos^4 60°) -2/3 (sin^260° – cos^2 45°) + 1/2 tan? 60°. find the value​

Answer 1

Step-by-step explanation:

= 4{(1/2)⁴ + (1/2)⁴} - 2/3{(√3/2)² - (1/√2)²} + 1/2(√3)²

= 4(1/8) - 2/3(1/4) + (3/2)

= 1/2 - 1/6 + 3/2

= 2 - 1/6 = 11/6