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kozerog [31]
3 years ago
7

If sin2 x + cos2 y = 2 sec2 z, then general solution of triplets (x, y, z) is

Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0

Answer:

x=(n+12)π, y=mπ∴x=n+12π, y=mπ and z = rπ where n∈I, m∈I, r∈I

Step-by-step explanation:

∴ LHS ≤ 2 and RHS ≥ 2

So, sin2 x = 1, cos2 y = 1 and sec2 z = 1

∴x=(n+12)π, y=mπ∴x=n+12π, y=mπ and z = rπ where n∈I, m∈I, r∈I

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ElenaW [278]

Answer:

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Step-by-step explanation:

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3 years ago
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elena-s [515]

Answer:

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5 0
2 years ago
a rectangular gift box is 10 inches long, 7 inches wide, 1.25 inches high, and had a surface area of 182.5 square inches. gift w
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