SOLUTION: Write the expression as either the sine, cosine, or tangent of a single angle.
sin ( pi/2 ) cos (pi/7) + cos ( pi/2) sin (pi/7)
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-> SOLUTION: Write the expression as either the sine, cosine, or tangent of a single angle.
sin ( pi/2 ) cos (pi/7) + cos ( pi/2) sin (pi/7)
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Question 979415: Write the expression as either the sine, cosine, or tangent of a single angle.
sin ( pi/2 ) cos (pi/7) + cos ( pi/2) sin (pi/7) Answer by josgarithmetic(39620) (Show Source):
Follow the formula exactly as it is formed. The given expression shows everything you need. Nothing more than substitution and a little arithmetic is needed.
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