CBSE Class 11-science Answered
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Asked by sheikhsaadat24 | 17 Apr, 2024, 09:41: PM
Expert Answer
Question :-
If θ1 + θ2 = 90o and θ1= 20° then wahta is the value of sin2 θ1 + cos2 θ2 ?
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sin2 θ1 + cos2 θ2 = sin2 θ1 + cos2 (90 - θ1 ) = sin2 θ1 + sin2 θ1 = 2 sin2 θ1
sin2 θ1 + cos2 θ2 = 2 sin220 = 0.2340
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