CLASS 10TH MATHS CHAPTER 8 TRIGONOMETRY QUESTION :
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Answer:
c). 1/2
Step-by-step explanation:
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Answer:
(a) 1
Step-by-step explanation:
since, (sin^2theeta+cos^2theeta)=1
(sin^4theeta+cos^4theeta)=[(sin^2theeta)^2+(cos^2theeta)^2]=1
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