What is the value of sin²25=?
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sin^2( 90- 65)
cos^265
cos^265
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If sec (7Θ + 28°) = cosec (30° - 3Θ), find the value of Θ Answer 8°. 12. ... 4. what is the value of (sin² 25° + sin² 65°) = ? Answer 1 5.
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