Math, asked by sreenidhigandham, 9 months ago

15.
If cos theta + sec theta = 2, them the value of cos cube theta + sec cube theta =

Answers

Answered by disharox6058

1

Answer:

2

Step-by-step explanation:

cosФ+secФ=2

(cosФ+secФ)^3=8

cos^3Ф+sec^3Ф+3(cosФ+secФ)=8

cos^3Ф+sec^3Ф=2

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