\displaystyle\,cos\,(2\,\times\,30^{\circ})\,=\,\frac{1\,-\,tan^{2 | Filo
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Class 10

Math

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Introduction to Trigonometry

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, if true then write 1 and if false then write 0

  1. 0
Correct Answer: Option(a)
Solution: To prove: 

L.H.S :
R.H.S.:
=
=
=
Thus,
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