tips for trigonometry identity
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Tip 1) Always Start from the More Complex Side.
Example Q1) Prove the identity tan⁴x = sec²x (tan²x-1)+1.
Tip 2) Express everything into Sine and Cosine.
Tip 3) Combine Terms into a Single Fraction.
Tip 4) Use Pythagorean Identities to transform between sin²x and cos²x.
Tip 5) Know when to Apply Double Angle Formula (DAF)
Tip 6) Know when to Apply Addition Formula (AF)
Tip 7) Good Old Expand/ Factorize/ Simplify/ Cancelling
Tip 8) Take one Step, Watch one step.
Proving trigonometry functions is an art.
Tip 9) Do not try to Prove a Question that says “Solve”!
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JJ sbs w hs is he semi-cuir vivrai 7days
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