Math, asked by shaivashashu, 1 year ago

prove this its urgent

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Answered by tejassm

Check this... Expand first... Then taking 2 as common and using cos(x+y) formula... And cos2x+1=2cos^2 x formula... U get the solution

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shaivashashu: please explain 5th and 6th steps

shaivashashu: i didnt get them

kirtibijaypadhox4vxh: which one

Answered by kirtibijaypadhox4vxh

see this it might be useful to u

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shaivashashu: its there

kirtibijaypadhox4vxh: that step i will say wait need not worry

shaivashashu: haa ok

shaivashashu: thank u again

kirtibijaypadhox4vxh: or whatsapp contact

shaivashashu: 9108131629

kirtibijaypadhox4vxh: kkk

shaivashashu: i guess its ok

kirtibijaypadhox4vxh: il send a message there

shaivashashu: haa good

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