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If sin teta is one by two then find value of tan square teta minus sec square teta |
Answer» SCREEN shot by ezlynnAnswer: GIVEN sinθ+cosecθ=2 ⟹sinθ+ sinθ 1
=2 squaring on both SIDES (sinθ+ sinθ 1
) 2 =4 ⟹SIN 2 θ+ sin 2 θ 1
+2(sinθ)( sinθ 1
)=4 ⟹sin 2 θ+ sin 2 θ 1
+2=4 ⟹sin 2 θ+ sin 2 θ 1
=2 ⟹sin 2 θ+cosec 2 θ=2 |
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