- Prove that the following identity is true. cos x (csc x + tan x) = cot x + sin x?

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The square base has sides of length 8 inches and the slant height is 6 inches. what is the surface area of the block.? What is the scientific community opinion on ancient cave drawings depicting spacemen? 4cosα((sin(α+β)cosβ - cos(α+β)sinα)
Can someone help? What are main components of a blocking oscillator? Need to find a and b such that x^4 - 8x^3 + 4x^2 + ax + b is a perfect square.?