Methods of Trigonometry by Hebborn pdf

Methods of Trigonometry by Hebborn pdf

Methods of Trigonometry by Hebborn pdf : Pages 45

By J. E. Hebborn and C. Plumpton

Trigonometric functions Some definitions ; Set-square angles ; Consequences of Pythagoras’ theorem ; Trigonometric identities ; Compound-angle identities ; The double-angle identities ; The half-angle identities; The factor formulae ; Trigonometric equations and their solution ; The expression a cos ( x ) + b sin ( x ); The equation a cos( x ) + b sin ( x ) = c ; Approximations for small angles ; Inverse trigonometric functions ; The sine and cosine rules ; The area of a triangle

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