Question

Statement (A): cos 6 cos 54° cos 66°=
√(10+2√5)/
16
Statement (B): sin^2 12° +sin^2 48° +sin^2 78°
a) Both A and B are true
e) A is true and B is false
3
2
b) Both A and B are false
d) A is false and B is true​

Answer 1

Answer:

ifbn

Step-by-step explanation:

konjl wgff b ghhh yhgthn gjjftj jhhj