Math, asked by Vwishu, 1 year ago

⭕Please Solve
cos^3 theta + sin^3 theta....

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Answered by adee1729
1
[(cos@+sin@)(cos²@+sin²@-cos@sin@)]/(cos@+sin@) + [(cos@-sin@)(cos²@+sin²@+cos@sin@)]/(cos@-sin@),

(1-cos@sin@) + (1+cos@sin@),

1-cos@sin@+1-cos@sin@,

1+1=2,

L.H.S=R.H.S
Vwishu: how ( -cos@sin@)
Vwishu: thanks..
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