For credit all work must be shown. 1. Ifcsc --0.3, find the value of: csc (0+360

Question

For credit all work must be shown. 1. Ifcsc --0.3, find the value of: csc (0+360°) 2. Tell in which quadrant angle 0 will lie if the following conditions are given. (a) sec > 0 and tan 0 and sin > 0 sector of a circle of radius 6 inches is formed by a central angle of =115° using the formulas s-dard A = ½r'. (a) Find the area of the sector (b) Find the length of the arc subtended by . 4. Use fundamental identities and/or the Complementary angle Theorem to find the exact value of each expression. Justify your answers. (a) (sin 25(sin 659) - tan 25° (b) sin2 75°+ (sin 15°%cos 75°)

Explanation / Answer

In trignometry any angle of greater than 360° means one complete rotation fo all the four quadrants

Hence

Cosec(360+)=cosec

Here cosec =-0.3

So cosec (360+) = -0.3

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