Question

value of 1 + cos2 theta

Answer 1

Answer:

(1-cos2theta) = sin sq theta + cos sq theta - (cos. sq theta-sin sq theta)

Since cos2theta = cos aq theta - sin sq theta

After simplifying the equation

(1-cos2 theta) = 2sin sq theta

(1+cos2 theta) = sin sq theta + cos sq theta +( cos sq theta -sin sq theta)

After simplification

(1+cos2theta) = 2cos sq theta

Now

(1-cos2theta)/(1+cos2theta) = tan sq theta

Step-by-step explanation:

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