Answer:
The prove is below
Explanation:
From trigonometric identities:

Therefore:

Answer:
Economic factors in decision making fall under the category of "external factor"
Explanation:
External factors are basics that effect a business' consequences and presentation from the outdoor. These issues are frequently part of the economic, political and social environment of the sites where the corporation functions. Several external factors can influence the capability of a business or investment to attain its planned goals and purposes. These external factors might comprise competition; social, legal and technological fluctuations, and the economic and political environment.
Make friends in after-school sports or clubs.
This will help you engage in activities you like as well as be in a supportive environment of like-minded people, which can reduce susceptibility to peer pressure.
Answer:
The correct answer is option D. Provide energy for muscle movements.
Explanation:
Carbohydrate is a biomolecule that provides structural support, energy for cellular action as stored energy. It is is also provides structural support to the cell and organism and arthropods. Some important forms of carbohydrates are glycogen, chitin, and cellulose as structural components whereas glucose as energy molecule.
Carbohydrate does not provide energy for muscle movement extracellular but occurs through the ATP intercellular level.
Thus, the correct answer is option D.