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Q: What is the trigonometric function for sin 30 degree?

A: sin 30 degree is itself a trigonometric function.Sine means opposite / hypotenuse.

Q: Homework question. Can you help me solve this?

A: To determine the value of sin (alpha) , given cos (alpha) and the quadrant in which alpha lies

Q: see attached

A: Click to see the answer

Q: Complete the half-angle identity. sin 스 =

A: To express sin(x/2) in terms of trigonometric ratios of x.

Q: The question asks for the exact value of the trignometric function at the given real number: sin(7...

A: To find the exact value of Sin(7π/4)

Q: Find the exact circular function value of cos (-2π/3)

A: Given,

Q: Complete the sentence so the result is an identity. Let x be any real number.sin x = ( )(cos x)

A: It known that,

Q: see attachment

A: Given,

Q: see attachment

A: Given: