Q1: Find the values of other five trigonometric functions if , x lies in third quadrant.
Ans:
Since x lies in the 3^{rd} 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 2^{nd} 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 3^{rd} 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 4^{th} 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 2^{nd} 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 videos443 docs143 tests

1. What are the basic trigonometric functions? 
2. How can trigonometric functions be used to solve rightangled triangles? 
3. What is the unit circle and how is it related to trigonometric functions? 
4. How are trigonometric functions used in reallife applications? 
5. How can one determine the values of trigonometric functions for different angles? 
209 videos443 docs143 tests


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