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AP EAMCET · Maths · Trigonometric Ratios & Identities

If tanβ=tanα+tanγ1+tanαtanγ then sin2α+sin2γ1+sin2αsin2γ=

  1. A sin2β
  2. B cos2β
  3. C tan2β
  4. D sec2β
Verified Solution

Answer & Solution

Correct Answer

(A) sin2β

Step-by-step Solution

Detailed explanation

Given, tan β=tan α+tan γ1+tan αtanγ=sin αcos α+sin γcos γ1+sin αcos α.sin γcos γ…