# If A+B+C=180,prove that: 1 + cosA.cosB.cosC = cosA.sinB.sinC + cosB.sinC.sinA + cosC.sinA.sinB?

• If A+B+C=180,prove that: 1 + cosA.cosB.cosC = cosA.sinB.sinC + cosB.sinC.sinA + cosC.sinA.sinB?

Find right answers right now! If A+B+C=180,prove that: 1 + cosA.cosB.cosC = cosA.sinB.sinC + cosB.sinC.sinA + cosC.sinA.sinB? More questions about Science ...
Positive: 57 %
If A+B+C=180,prove that: 1 + cosA.cosB.cosC = cosA.sinB.sinC + cosB.sinC.sinA + cosC.sinA.sinB? Find answers now! No. 1 Questions & Answers Place. More ...
Positive: 54 %

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Trigonometric Ratios of Compound Angles: sin ... sinB cosC + cosA cosB sinC - sinA sinB sinC. 8. cos(A + B ... cosA sinB) sinC = cosA.cosB.cosC - sinA sinB ...
Positive: 57 %
... sinb*sinc) + cosa*(sinb*cosc + cosb*sinc)= sina*cosb*cosc + cosa ... b)*tan(c)] / [1 - tan(a)*tan(b) ... sinc)= cosa*cosb*cosc - cosa*sinb*sinc ...
Positive: 52 %
... ( A+B+C) = cos A cos B cos C ... What from Schenectady, NY | 1 Answer ... = cosA cosB cosC - cosA sinB sinC - sinA sinB cosC - sinA cosB sinC . ii. cos ...