Answer:

RHS. Hence Proved.

Answer:

RHS. Hence Proved.

Answer:

LHS. Hence proved.

Answer:

RHS. Hence proved.

Answer:

= RHS. Hence proved.

Answer:

RHS. Hence proved.

Answer:

= RHS. Hence proved.

Answer:

= RHS. Hence proved.

Answer:

Answer:

Answer:

Answer:

Answer:

Question 14: Evaluate without using trigonometric tables:

Answer:

Answer:

RHS

Hence Proved.

Question 16: Without using trigonometric tables, evaluate

Answer:

Question 17: Prove the identity:

Answer:

Hence Proved.

Question 18: If , show that

Answer:

Therefore LHS = RHS. Hence proved.

Answer:

Answer:

Answer:

Answer:

RHS.

Hence proved.

Answer:

RHS. Hence proved.

Question 24: Without using trigonometric tables evaluate :

Answer:

Given:

Question 25: Without using trigonometric tables evaluate :

Answer:

Given:

The qustion no.2

Incorrect..

Thank you for pointing out. It was a typing mistake. I have corrected it.

It’s unable to understand the solution of question no.7

There was a typing mistake in the question… i have added one more line of explanation…. it should be easy to understand now.

I fixed it. Thank you for your contribution.

Technical issues from Q 12

Please sort them out

Let me check

I fixed it. Thank you for your contribution.

Very helpful.

ques 9 has

wrong answer

Good catch… it was a typo. We have corrected it.