If a+b+c = 270 then what is the value of cos 2a+cos 2b+cos 2c +4sin a sin b sin - Maths - Trigonometry

Question

If a+b+c = 270° then what is the value of cos 2a+cos 2b+cos 2c
+4sin a sin b sin c?

Sej · Accepted Answer

Ans: 1 Answer is 1
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If a+b+c = 270° then what is the value of cos 2a+cos 2b+cos 2c +4sin a sin b sin c?