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Introduction to Trigonometry
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Introduction to Trigonometry
TRIGONOMETRIC RATIOS
- sine
- opp / hyp
- cosine
- adj / hyp
- tangent
- opp / adj
- cosecant
- hyp / opp
- secant
- hyp / adj
- cotangent
- adj / opp
- sine
TRIGONOMETRIC RATIOS FOR SOME ANGLES
TRIGONOMETRIC RATIOS OF COMPLEMENTARY ANGLES
- sin (9O - A) = cosA
- 90= 90 DEGREES
- cos (9O - A) = sinA
- tan (9O - A) = cotA
- cot (9O - A) = tanA
- sec (9O - A) = cosecA
- cosec (9O - A) = secA
- sin (9O - A) = cosA
TRIGONOMETRIC IDENTITIES
- Cos2 θ + Sin2 θ = 1
- 1 + Tan2 θ = Sec2 θ
- 1 + Cot2 θ = Cosec2 θ
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- Mind Map on Introduction to Trigonometry, created by Avanthi Vineeth on 13/10/2021.
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- Avanthi Vineeth
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