Use the Cofunction Identities to Evaluate the Expression Without Using

question 2

Multiple Choice

Use the cofunction identities to evaluate the expression without using a calculator. ​
Sin²25° + sin²65°
​

• A)-1
• B)-2
• C)1
• D)2
• E)3

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Definitions:

Steep Slope

A landform with a sharp incline, often challenging to navigate or build upon.

Motor Skills

These are abilities that allow for movement and coordination of the muscles and the body, key for performing tasks from simple to complex.

Sensorimotor Intelligence

A stage of Jean Piaget's theory of cognitive development where infants learn about their world through their senses and motor activities.