Solvecos 30° cos 35° - sin 30° sin 35°

melodykap 2020-10-18 Answered

Solve cos30cos35sin30sin35

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Expert Answer

SoosteethicU
Answered 2020-10-19 Author has 102 answers

Use the sum identity for cosine:
cos(A+B)=cosAcosBsinAsinB=cos(30+35)
=cos65

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