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ering2020 - Sec 07 Park > Assessment nment 7.2: Sum and Difference Identities This assignment is past the original due dat You've already done this problem. Score on last attempt: D 0 out of 1 Score in gradebook: O 0 out of 1 Reattempt this question When you are done click here to see a summary of your score Question with last attempt is displayed for your review only Rewrite cos ( 2-7) in terms of sin(x) and cos(x). o Propiew - Econ(e) – Vi sin(e) syntax ok -1/2cos(x)-sqrt(3/2)sin(x) Message instructor about this question

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using identity Cos (A-8) = COS A COSB + Sina SinB cos (*-*") - Cosu cas (ºg) + Sinx (8 ) cos (49) - cos (+5) [: cos(+6) + -coso] cos(45) = - COST OS Sim Similarly sin (45) Sin (TAE) [: Sin (+ 6) = -Sine] - sin (49) = - Sin T using , 2 and ③ cos (x-45) = cose (1) + sim(-9) Cos ( *- 4") cose- ja sing