Math, asked by kalavatikalavati26, 8 months ago

sin 20 degree - cos70degree

Answers

Answered by tushar12352

0

Answer:

we know that sin20 degree= cos(90degree-20degree) so cos70degree-cos70degree=0

Answered by Anonymous

5

Step-by-step explanation:

sin20° - Cos70°

= Sin20° - Cos(90°-20°)

= Sin20° - Sin20°

= 0

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