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Bethel Metz

Asked in A-Level Maths - Trigonometry

Which two R formulas could you use to write a cos x + b sin x in terms of just sin or cos ?

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4 years ago

Fae Johnson

Asked in A-Level Maths - Trigonometry

Use the addition formula to prove the factor formula for SIN A + SIN B.

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4 years ago

Maurine Gorczany

Asked in A-Level Maths - Trigonometry

Finish the RHS of the factor formula COS A + COS B = ........ ?

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4 years ago

Heloise Willms

Asked in A-Level Maths - Trigonometry

Finish the RHS of the factor formula SIN A + SIN B = ......... ?

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4 years ago

Donato Runolfsson

Asked in A-Level Maths - Trigonometry

What is the R formula in terms of cos ?

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4 years ago

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