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Question
`"sin"^2 25° + "sin"^2 65°` is equal to ____________.
Options
0
1
`1/2`
None of these
MCQ
Fill in the Blanks
Solution
`"sin"^2 25° + "sin"^2 65°` is equal to 1.
Explanation:
`"sin"^2 25° + "sin"^2 65° = "sin"^2 (90° - 65°) + "sin"^2 65° = "cos"^2 65° + "sin"^2 65° = 1`
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