Math, asked by rahulkingsoni52, 3 months ago

7] Sin 20º = Cos
Р
a) 50°
b] 60°
c] 70°
01

Answers

Answered by shreyas12701

1

Answer:

70

Step-by-step explanation:

we know that sin A = cos (90-a)

so, sin 20 = cos (90-20) = cos 70

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