Evaluate
- $$\cos ^ { 2 } 315 ^ { \circ } - \sin ^ { 2 } 270 ^ { \circ } + 4 \tan ^ { 2 } 30 ^ { \circ }$$

question 174

Multiple Choice

Evaluate.
- $$\cos ^ { 2 } 315 ^ { \circ } - \sin ^ { 2 } 270 ^ { \circ } + 4 \tan ^ { 2 } 30 ^ { \circ }$$

• A) \(\frac { 17 } { 6 }\)
• B) \(\frac { 11 } { 6 }\)
• C) \(\frac { 5 } { 6 }\)
• D) \(- \frac { 1 } { 6 }\)

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Definitions:

Actual Costs

The real expenses incurred during a specific period, as opposed to budgeted or estimated costs.

Cost Variance

The difference between the actual cost incurred and the standard or budgeted cost, used in budgeting and financial analysis.

Standard Costs

Predetermined costs to manufacture a product, serving as a benchmark for measuring performance.

Actual Costs

The real costs incurred by a business during a specific period, as opposed to budgeted or forecasted costs.