Use Pythagorean identities to find the indicated function value.sin ? = - , 270° < ? < 360°; find cos ?

A.
B.
C.
D.


Answer: A

Mathematics

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Choose the equation that matches the graph.

A.  -  = 1
B.  +  = 1
C.  -  = 1
D.  -  = 1

Mathematics

Provide an appropriate response.Verify the identity using the definitions of hyperbolic functions.  coth x = 

What will be an ideal response?

Mathematics

Find the sum of the first n terms of the following arithmetic sequence.a1 = -12, d = -1; n = 5

A. -60 B. -17 C. -70 D. 7

Mathematics

Find the area of the rectangle.

A. 47 sq m B. 94 sq m C. 510 sq m D. 1020 sq m

Mathematics