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ECHO: "***Test special angles***"
ECHO: "sin( 0) == 0 ", true
ECHO: "sin( 30) == 1/2 ", true
ECHO: "sin( 45) == sqrt(2)/2 ", true
ECHO: "sin( 60) == sqrt(3)/2 ", true
ECHO: "sin( 90) == 1 ", true
ECHO: "sin(120) == sqrt(3)/2 ", true
ECHO: "sin(135) == sqrt(2)/2 ", true
ECHO: "sin(150) == 1/2 ", true
ECHO: "sin(180) == 0 ", true
ECHO: "sin(210) == -1/2 ", true
ECHO: "sin(225) == -sqrt(2)/2 ", true
ECHO: "sin(240) == -sqrt(3)/2 ", true
ECHO: "sin(270) == -1 ", true
ECHO: "sin(300) == -sqrt(3)/2 ", true
ECHO: "sin(315) == -sqrt(2)/2 ", true
ECHO: "sin(330) == -1/2 ", true
ECHO: "sin(360) == 0 ", true
ECHO:
ECHO: "cos( 0) == 1 ", true
ECHO: "cos( 30) == sqrt(3)/2 ", true
ECHO: "cos( 45) == sqrt(2)/2 ", true
ECHO: "cos( 60) == 1/2 ", true
ECHO: "cos( 90) == 0 ", true
ECHO: "cos(120) == -1/2 ", true
ECHO: "cos(135) == -sqrt(2)/2 ", true
ECHO: "cos(150) == -sqrt(3)/2 ", true
ECHO: "cos(180) == -1 ", true
ECHO: "cos(210) == -sqrt(3)/2 ", true
ECHO: "cos(225) == -sqrt(2)/2 ", true
ECHO: "cos(240) == -1/2 ", true
ECHO: "cos(270) == 0 ", true
ECHO: "cos(300) == 1/2 ", true
ECHO: "cos(315) == sqrt(2)/2 ", true
ECHO: "cos(330) == sqrt(3)/2 ", true
ECHO: "cos(360) == 1 ", true
ECHO:
ECHO: "// Quick test of signed zero checks"
ECHO: " isNeg0(-0) ", true
ECHO: "!isNeg0( 0) ", true
ECHO: "!isPos0(-0) ", true
ECHO: " isPos0( 0) ", true
ECHO:
ECHO: "isNeg0(tan(-180)) ", true
ECHO: "tan(-150)== sqrt(3)/3 ", true
ECHO: "tan(-135)== 1 ", true
ECHO: "tan(-120)== sqrt(3) ", true
ECHO: "tan(-90) == -1/0 ", true
ECHO: "tan(-60) == -sqrt(3) ", true
ECHO: "tan(-45) == -1 ", true
ECHO: "tan(-30) == -sqrt(3)/3 ", true
ECHO: "isPos0(tan( 0)) ", true
ECHO: "tan( 30) == sqrt(3)/3 ", true
ECHO: "tan( 45) == 1 ", true
ECHO: "tan( 60) == sqrt(3) ", true
ECHO: "tan( 90) == 1/0 ", true
ECHO: "tan(120) == -sqrt(3) ", true
ECHO: "tan(135) == -1 ", true
ECHO: "tan(150) == -sqrt(3)/3 ", true
ECHO: "isNeg0(tan(180)) ", true
ECHO:
ECHO: "***Verify functions are Odd/Even***"
ECHO: "sin() odd check PASSED"
ECHO: "cos() even check PASSED"
ECHO: "tan() odd check PASSED"
ECHO:
ECHO: "***Verify functions are Periodic over a few cycles***"
ECHO: "sin() periodic check PASSED"
ECHO: "cos() periodic check PASSED"
ECHO: "tan() periodic check PASSED"
ECHO:
ECHO: "***Verify Inverse Trigonometric functions***"
ECHO: "asin() inverse check PASSED"
ECHO: "acos() inverse check PASSED"
ECHO: "atan() inverse check PASSED"
ECHO: "atan2() inverse check PASSED"
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