7x20x11= 1540
30x4x11=1320
1540+1320=2860
Its 10. Parenthesis mean to multiply.
Answer:
Step-by-step explanation:
Recall the mnemonics SOH-CAH-TOA
The sine ratio is the length of the opposite side expressed over the hypotenuse.
Take the sine inverse of both sides to get;
The cosine ratio is the length of the adjacent side expressed over the hypotenuse.
Take the cosine inverse of both sides to get;
The answer to this question is 29