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Detailed Solution
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गणना
Sec α = cos β/15 ......(1)
sin β = 16 × Sec α .....(2)
समीकरण (1) का मान समीकरण (2) में रखने पर
⇒ sin β = 16 × cos β/15
⇒ sin β/cos β = 16/15
⇒ P/B = 16/15
sin2β = P2/H2
H2 = P2 + B2
H2 = 256 + 225
H2 = 481
sin2β = 256/481
मान 256/481 है।
Last updated on Jul 10, 2025
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