Evaluate the Integral $$\int _ { 0 } ^ { \pi / 2 } \sin 4 t \sin 3 t d t$$

question 31

Multiple Choice

Evaluate the integral.
- $$\int _ { 0 } ^ { \pi / 2 } \sin 4 t \sin 3 t d t$$

• A) \(\frac { 8 } { 15 }\)
• B) \(\frac { 5 } { 7 }\)
• C) \(\frac { 1 } { 2 }\)
• D) \(\frac { 4 } { 7 }\)

---

Definitions:

Frontotemporal Lobar Degeneration

A form of dementia characterized by progressive damage to the frontal and temporal lobes of the brain, affecting behavior, language, and movement.

Age 70

A reference to being seventy years old, a stage in late adulthood characterized by continued cognitive, emotional, and social development.

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and personality changes, leading to severe impairment in daily functioning.

Genetic

Relating to genes or heredity, involving the transmission of characteristics from parents to offspring through DNA.