Question

Sin2o + Cos20 = 1
${?}^{2}$
?​

Answer 1

Answer:

false

Step-by-step explanation:

that is false , sen 20 + cos 20 = 1 so that is false

Answer 2

Answer:

The correct answer is 1. Step-by-step explanation: sin 20+cos (90- 70). sin 20 + sin 70. sin 90. =1. Hope it helps!

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