Math, asked by Amanshaikh6080, 8 months ago

cos2(45+theta) + cos2 (45 - theta)

Answers

Answered by sOmEtHinGuWant

3

Answer:

Step-by-step explanation:

Cos2 will change to Sin2

sin2(90 - 45 + A)

Cos2(45 + Theta) + Sin2(45 + theta) = 1

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