Question

find the value of sin square 30° + cos square 30°​

Answer 1

Answer:

Step-by-step explanation:sin square 30°-cos square 30°=-1/2

Since, sin30°=1/2

Cos30°=√3/2

Then,sin square 30°=1/4

Cos square 30°=3/4

Therefore,sin square 30°-cos square 30°

1/4-3/4=-1/2