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IF A=pi//6 and B=pi//3 then which of the...

IF `A=pi//6 and B=pi//3` then which of the following is/are correct?
1. `sinA+sinB=cos A+cos B`
2. `tanA+ tan B=cot A+ cot B`
Select the correct answer using the code given below:

A

only I

B

only II

C

both I and II

D

Neither I nor II

Text Solution

Verified by Experts

The correct Answer is:
C
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LUCENT PUBLICATION-TRIGONOMETRIC RATIO OF SPECIFIC ANGLES-Exercise 10A
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