Question

If sin theta+sin^3theta =1, then cos^6 theta- 5 cos^4theta +8 cos^2 theta=
1) 3
2) 1
3)-1
4)-3​

Answer 1

Answer:

If sin theta + sin^2 theta + sin^ 3 theta= 1, prove that cos^6 theta -4cos^4 + 8cos^2=4. 1. See answer. Add answer+5 pts.

Answer 2

Answer:

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