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๐ผ๐ ๐ด+ ๐ต+ ๐ถ= ๐, ๐กโ๐๐ ๐๐๐๐ฃ๐ ๐กโ๐๐ก ๐๐๐ ๐ด/2+ ๐๐๐ ๐ต/2+ ๐ ๐๐ ๐ถ/2= 1+ 4๐๐๐(๐/4โ๐ด/4) ๐๐๐(๐/4โ๐ต/4)๐๐๐(๐/4โ๐ถ/4)
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Hi Dear friends. We are here with new problem related with trigonometry. Thank you for your love and support.
The question is:
๐ผ๐ ๐ด+ ๐ต+ ๐ถ=๐, ๐กโ๐๐ ๐๐๐๐ฃ๐ ๐กโ๐๐ก ๐๐๐ ๐ด/2+ ๐๐๐ ๐ต/2+ ๐ ๐๐ ๐ถ/2= 1+ 4๐๐๐(๐/4โ๐ด/4) ๐๐๐(๐/4โ๐ต/4) ๐๐๐(๐/4โ๐ถ/4)
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#Mathswitharjun #Trigonometry #Maths
The question is:
๐ผ๐ ๐ด+ ๐ต+ ๐ถ=๐, ๐กโ๐๐ ๐๐๐๐ฃ๐ ๐กโ๐๐ก ๐๐๐ ๐ด/2+ ๐๐๐ ๐ต/2+ ๐ ๐๐ ๐ถ/2= 1+ 4๐๐๐(๐/4โ๐ด/4) ๐๐๐(๐/4โ๐ต/4) ๐๐๐(๐/4โ๐ถ/4)
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#Mathswitharjun #Trigonometry #Maths
11th Std Maths Example 3.41 If A+B+C=ฯ prove that cosยฒA+cosยฒB+cosยฒC=1-2cosAcosBcosC
๐ผ๐ ๐ด+ ๐ต+ ๐ถ= ๐, ๐กโ๐๐ ๐๐๐๐ฃ๐ ๐กโ๐๐ก ๐๐๐ ๐ด/2+ ๐๐๐ ๐ต/2+ ๐ ๐๐ ๐ถ/2= 1+ 4๐๐๐(๐/4โ๐ด/4) ๐๐๐(๐/4โ๐ต/4)๐๐๐(๐/4โ๐ถ/4)...
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