Math, asked by satyajitbiswaljune, 5 months ago

Sin 7theta = Cos 20 ° then
the value of theta??

Answers

Answered by khannas918

1

Step-by-step explanation:

sin7∅ = cos 20

sin7∅ = sin[90-20]

sin7∅ = sin70

Thus, ∅ = 10

Hope it helps

Mark it as the brainliest

Answered by ag0008699

1

Answer:

sin 7theta = cos 20°

sin 7theta = sin (90°-20°)

7theta = 70°

theta = 70° /7

theta = 10°

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