Math, asked by ojasmestri, 3 months ago

find the value of sin2 20 + sin2 70

Answers

Answered by rishabhshah2609

2

Answer:

1

Step-by-step explanation:

Sin^2 20 + sin^2 70

Sin^2 20 + sin^2 (90-20)

sin^2 20 + cos^2 20 = 1

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