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Grade: 10
        If a square*sec square theta - b square tan square theta= c square; prove that; sin theta=+- √c square - a square/ c square-b square
8 months ago

Answers : (1)

Arun
13802 Points
							Dear Ankita
a2 secc2 x –b2 tan2 x = c2
now
a2 + a2 tan2x – b2 tan2x = c2
tan2 x = (c2 – a2)/ (a2 – b2)
tan x =√(c2 – a2)/ (a2 – b2)
now you can solve all the trigonometric ratio.
Regards
Arun (askIITians forum expert)
8 months ago
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