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MHT CET202016 Oct 2020Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual

If a= 175^ + 175^ , then

Options

  1. Aa>0
  2. Ba=0
  3. Ca < 0
  4. Da=1

Correct answer

C. a < 0

Step-by-step solution

(B) aligned a &= (180^ -5^ )+ (180^ -5^ ) &= 5^ - 5^ aligned In first quadrunt, < < When 0 < 45^ 5^ < 5^ 5^ - 5^ < 0 a < 0

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