Question

evaluate sin 21° ÷ cos 69°​

Answer 1

Step-by-step explanation:

Given that :-

sin 21° ÷ cos 69°

=>Sin(90-69°)÷Cos69°

we know that sin(90-A)=CosA

=>Cos 69°÷Cos 69°

=>1

sin 21° ÷ cos 69°= 1

Answer 2

Answer:

According to your question, we have to find Sin 21° divided by Cos 69°. Hence substituting Sin 21° as Cos 69°, we get: Therefore the value of Sin 21° by Cos 69° is 1.

Step-by-step explanation:

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