CBSE Class 10-Mathematics: Chapter – 8 Introduction to Trigonometry Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 7:

If prove that .

Answer:

Question 8:

If A, B are acute angles and , then find the value of .

Answer:

Question 9:

(a) Solve for , if

Answer:

(b) Solve for if .

Answer:

Question 10:

If show that

Answer:

LHS

Question 11:

If prove that

Answer:

P. T