Math, asked by bajnathpurbandha, 1 day ago

cos20°- sin20°\cos20° + sin 20° solve kro

Answers

Answered by sulavbhattarai77

0

HERES IT that image has all the things required

Attachments:

Answered by Kaushalsingh74883508

1

Step-by-step explanation:

LHS=

cos20

∘

−sin20

∘

cos20

∘

+sin20

∘

=

1−tan20

∘

1+tan20

∘

=

1−tan45

∘

tan20

∘

tan45

∘

+tan20

∘

=tan(45

∘

+20

∘

)=tan65

∘

=RHS

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