Searching for 1st Year Maths Chapter 10 Trigonometric Identities and Difference of Angles MCQs? then you can get the important MCQs of this chapter here. If you are going to apply for admission to any of the University of Pakistan, then you must pass its entry test to get admission. For different fields like Engineering, Business, Computer Science, and some other fields, the Mathematics portion is very important. The final merit of every institute is made after the entry test. So, if you pass the Maths portion with good marks, then your chances of admission will be more. This chapter is about Trigonometry. Different Identities and angles are given here. The fundamental law of Trigonometry is in this chapter and it is very important. There are different formulas of sine, cos, and tangent to concert sum/difference to product and product to sum/difference. Scroll down and check the important MCQs of this chapter.
1st Year Maths Chapter 10 Trigonometric Identities and Difference of Angles MCQs

Question#1: The value of cos 13π/12:
- √3 +1/ 2√2
- √3 -1/ 2√2
- -1-√3/ 2√2
- 1-√3/ 2√2
Answer
Answer
Question#2: Sin (-760o)=
- cos 40o
- -cos 40o
- sin 40o
- -sin 40o
Answer
Answer
Question#3: If tanx=1 then cosx=
- 5
- 707
- 867
- 0
Answer
Answer
Question#4: tan 18o+ tan 27o+tan 18o. tan 27o=?
- π/4
- -1
- 1
- 3
Answer
Answer
Question#5: The absolute least value of √2 sinx -√2 cosx is:
- -2
- 0
- 2
- None of these
Answer
Answer
Question#6: tan 1110o=
- √3
- 1/√3
- Infinity
- 0
Answer
Answer
Question#7: The A.M between least and greatest value of 5sinx-65cosx is:
- ½
- 0
- -1/2
- 1
Answer
Answer
Question#8: sin( π/10)
- 1-√5/ 4
- -√5-1/ 4
- √5-1/ 4
- 2-√5/ 4
Answer
Answer
Question#9: The maximum value of cos2 θ- sin2 θ=?
- 2
- 1
- 3
- 0
Answer
Answer
Question#10: Maximum value of cos x –sin x=?
- 1
- 0
- √2
- 2
Answer
Answer
Question#11: cosec2 θ-cot2θ=?
- tan2 θ
- cos2 θ
- tan θ
- cos θ
Answer
Answer
Question#12: sin2 θ/ 1+cos2 θ=?
- tan θ
- cot θ
- tan2 θ
- cot2 θ
Answer
Answer
Question#13: sec 1650=?
- 2√2/ √3-1
- 2√2/ √3+1
- -2√2/ √3-1
- -2√2/ √3+1
Answer
Answer
Question#14: cotα – tan α=
- tan2 α
- 2tan2 α
- cot2 α
- 2cot2 α
Answer
Answer
Question#15: tan2α tanα-sec2 α=?
- 1
- -1
- 2
- -2
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