Question 1: [2007]
Answer:
LHS
RHS. Hence Proved.
Question 2: [2005]
Answer:
LHS
RHS. Hence Proved.
Question 3:
[2008]
Answer:
RHS
LHS. Hence proved.
Question 4:
[2000]
Answer:
LHS
RHS. Hence proved.
Question 5: [2013]
Answer:
LHS
= RHS. Hence proved.
Question 6:
[2001]
Answer:
LHS
RHS. Hence proved.
Question 7: [2002]
Answer:
LHS
= RHS. Hence proved.
Question 8:
[2006]
Answer:
LHS
= RHS. Hence proved.
Question 9: [2006]
Answer:
Question 10:
[2012]
Answer:
=
=
Question 11: [2013]
Answer:
Question 12:
[2007]
Answer:
Question 13: [2004]
Answer:
Question 14: Evaluate without using trigonometric tables:
[2011]
Answer:
Question 15: Prove that [2011]
Answer:
LHS
RHS
Hence Proved.
Question 16: Without using trigonometric tables, evaluate
[2014]
Answer:
Given
Question 17: Prove the identity:
[2014]
Answer:
LHS
Hence Proved.
Question 18: If , show that
[2001]
Answer:
Therefore to prove:
LHS
RHS
Therefore LHS = RHS. Hence proved.
Question 19: Evaluate: [2000]
Answer:
Question 20: Evaluate: [2002]
Answer:
Question 21: [2003]
Answer:
Question 22: Prove that:
[2009]
Answer:
LHS
RHS.
Hence proved.
Question 23: Prove that:
[2006]
Answer:
LHS
RHS. Hence proved.
Question 24: Without using trigonometric tables evaluate :
[2010]
Answer:
Given:
Question 25: Without using trigonometric tables evaluate :
[2010]
Answer:
Given:
The qustion no.2
Incorrect..
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Thank you for pointing out. It was a typing mistake. I have corrected it.
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It’s unable to understand the solution of question no.7
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There was a typing mistake in the question… i have added one more line of explanation…. it should be easy to understand now.
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I fixed it. Thank you for your contribution.
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Technical issues from Q 12
Please sort them out
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Let me check
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I fixed it. Thank you for your contribution.
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Very helpful.
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ques 9 has
wrong answer
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Good catch… it was a typo. We have corrected it.
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