Question

what is the value of sin(-75)​

Answer 1

Answer:

$- ( \sqrt{2} + \sqrt{6} ) \div 4$

Hope its helps you......❤

Answer 2

Step-by-step explanation:

Sin(-75)

-Sin75

-{Sin(45+30)}

-{ Sin45*Cos30 + Cos45*Sin30 }

- { 1/√2 * √3/2 + 1/√2 * 1/2 }

- { (√3+1)/2√2 }

-(√3+1)/2√2