Example 6 - Chapter 2 Inverse trigonometry - Find sin-1 (sin
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EXAMPLE 1 Evaluate inverse trigonometric functions Evaluate the expression in both radians and degrees. a.cos –1 3 2 √ SOLUTION a. When 0 θ π or 0° 180°, - ppt download
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Finding Principal Value of Inverse Trigonometric Functions - Teachoo
If A + B + C = pi , prove that cos A + cos B + cos C = 1 + 4sinA/2sinB/2sinC/2
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Tan 180 value (in degrees) is given as
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Ex 2.1, 11 - Find value tan-1 (1) + cos-1 (-1/2) + sin-1 (-1/2)
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Radians
