Question

find the value for cos(75)

Answer 1

Answer:

√3-1/2√2

Step-by-step explanation:

cos(45+30)

cos45cos30-sin45sin30

(1/√2×√3/2)-(1/√2×1/2)

(√3/2√2)-(1/2√2)

√3-1/2√2

hope you understand