Find the Exact Value of the Expression $1 + \sin ^ { 2 } 85 ^ { \circ } + \sin ^ { 2 } 5 ^ { \circ }$

question 64

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $1 + \sin ^ { 2 } 85 ^ { \circ } + \sin ^ { 2 } 5 ^ { \circ }$

• A) 2
• B) 0
• C) -1
• D) 1 )1

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