Q1: Find the values of other five trigonometric functions if , x lies in third quadrant.
Ans:
Since x lies in the 3rd quadrant, the value of sin x will be negative.
Q2: Find the values of other five trigonometric functions if , x lies in second quadrant.
Ans:
Since x lies in the 2nd quadrant, the value of cos x will be negative
Q3: Find the values of other five trigonometric functions if , x lies in third quadrant.
Ans:
Since x lies in the 3rd quadrant, the value of sec x will be negative.
Q4: Find the values of other five trigonometric functions if , x lies in fourth quadrant.
Ans:
Since x lies in the 4th quadrant, the value of sin x will be negative.
Q5: Find the values of other five trigonometric functions if , x lies in second quadrant.
Ans:
Since x lies in the 2nd quadrant, the value of sec x will be negative.
∴sec x =
Q6: Find the value of the trigonometric function sin 765°
Ans: It is known that the values of sin x repeat after an interval of 2π or 360°.
Q7: Find the value of the trigonometric function cosec (–1410°)
Ans: It is known that the values of cosec x repeat after an interval of 2π or 360°.
Q8: Find the value of the trigonometric function
Ans: It is known that the values of tan x repeat after an interval of π or 180°.
Q9: Find the value of the trigonometric function
Ans: It is known that the values of sin x repeat after an interval of 2π or 360°.
Q10: Find the value of the trigonometric function
Ans: It is known that the values of cot x repeat after an interval of π or 180°.
209 videos|443 docs|143 tests
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1. What are the basic trigonometric functions? |
2. How can trigonometric functions be used to solve right-angled triangles? |
3. What is the unit circle and how is it related to trigonometric functions? |
4. How are trigonometric functions used in real-life applications? |
5. How can one determine the values of trigonometric functions for different angles? |
209 videos|443 docs|143 tests
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