Question

Reason (R) Function is not expressible in terms of elementary functions.
a.Both A and R are correct; R is the correct explanation of A.
b.Both A and R are correct; R is not the correct explanation of A.
c. is correct; R is incorrect.
d.is correct; A is incorrect

1. A: 2sin^2 theta/2 -1 = cos theta
R: sin ^2 theta +cos ^2 theta = cos20

Answer 1

Answer:

r is correct answers

Step-by-step explanation:

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Answer 2

Answer:

option A

Step-by-step explanation:

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