Trigonometry formula-class 11 - StudyPCM

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Trigonometry formula-class 11

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Trigonometry formula     (part -1)
Sin   Cos   Tan 
Cot   Sec  Cosec
Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles.
Basic formula






Trigonometry ratio of  different angles. 
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Sign of Trigonometry Ration in Different Quadrent
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Trigonometric formula





Compound angles
 A compound angle formula or addition formula is a trigonometric identity which expresses a trigonometric function of (A+B) or (A−B) in terms of trigonometric functions of A and B .
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cot (A + B) = cot A cot B - 1/cot B + cot A

cot (A - B) = cot A + cot B + 1/cot B - cot A

Transformation angles
  • Sin (A+B) + Sin(A-B) =2 SinA cosB
  • Sin (A+B) - Sin(A-B)  =2 CosA sinB

  • Cos (A+B) + Cos(A-B) = 2 CosA cosB
  • Cos (A+B) - Cos(A-B)  = -2 SinA sinB
  • Cos (A-B) - Cos(A+B)  =  2 SinA sinB
          

 Multiple Angles
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 Sub Multiple Angles
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1 comment:

  1. For me, it is always good to read mathematical blogs, because when I was student math is my favorite subject and I always like the Trigonometric section, because I think Integration and trigonometry are the most lengthy concepts of mathematics. If you want to learn both your basic concepts should be clear. With the help of basic knowledge, everyone easily solves the equations of trigonometry. Students can prepare with the help of online websites and applications. For example, SmileTutor is the leading home tuition agency for parents and students looking for home tutors. For more information contact JC Math Tuition

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