10th Standard English Medium Maths Subject Trigonometry Creative 5 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 25

    5 Marks

    5 x 5 = 25
  1. Evaluate \(\frac { tan{ 65 }^{ o } }{ tan{ 25 }^{ o } } \)

  2. Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

  3. If ATB=90o then prove that
    \(\sqrt { \frac { tanA\quad tanB+tanA\quad cotB }{ sinA\quad secB } } -\frac { { Sin }^{ 2 }A }{ { Cos }^{ 2 }A } =tanA\)

  4. If 15tan2 θ+4 sec2 θ=23 then find the value of (secθ+cosecθ)2 -sin2 θ

  5. If tanθ+sinθ=P; tanθ-sinθ=q P.T P2-q2=4\(\sqrt{pq}\)

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