$$ sin^2 5° + sin^2 10°+sin^2 15°+.....sin^2 85°+sin^2 90°$$ is equal to
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Q:
$$ sin^2 5° + sin^2 10°+sin^2 15°+.....sin^2 85°+sin^2 90°$$ is equal to
- 1$$ {17\over2}$$false
- 2$$ {19\over2}$$true
- 3$$ {21\over2}$$false
- 4$$ {18\over2}$$false
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