Trigonometry Practice Question and Answer
8 4 Q:
5ecf38f579d67a247e48737f 4 Q:
5d70e4889004b376a58c204c 4 Q:
5dd38322874d2d52fa317fac 4 4 Q: What is the value of the following
5d70e27c9004b376a58c1e62 4 Q:
5d931a116819c079458b7c82 4 Q:
5dccdc8eef0a14548c1d4fff Answer : 4. "1"
4 Q:
5e818954d063766356924b99
Q: If cos3A = X, then value of X?
1121 05ecf38f579d67a247e48737f
5ecf38f579d67a247e48737f- 14cos3A + 3cosAfalse
- 23cosA – 4cos3Afalse
- 3cosA + 4cos3Afalse
- 44cos3A – 3cosAtrue
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Answer : 4. "4cos3A – 3cosA"
Q: If 5cosθ – 12sinθ=0 then value of
1411 05d70e4889004b376a58c204c
5d70e4889004b376a58c204c- 1$$\left(1{75\over119}\right)\ $$false
- 2$$\left(2{34\over35}\right)\ $$false
- 3$$\left(3{2\over3}\right)\ $$false
- 4$$\left(3{1\over7}\right)\ $$true
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Answer : 4. "$$\left(3{1\over7}\right)\ $$"
Q: The value of sec4 A (1 – sin4A) – 2tan2A is:
876 05dd38322874d2d52fa317fac
5dd38322874d2d52fa317fac- 1$$ {1\over 2} $$false
- 20false
- 32false
- 41true
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Answer : 4. "1"
Q: If sinθ-cosθ= \({7\over13}\) and 0º <θ<90°, then the value of Sinθ+Cosθ is 1125 05d1ef7e2c068c021a4048f20
5d1ef7e2c068c021a4048f20- 1\({17\over13}\)true
- 2\({13\over17}\)false
- 3\({1\over13}\)false
- 4\({1\over17}\)false
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Answer : 1. "\({17\over13}\)"
Q: What is the value of the following 
1079 05d70e27c9004b376a58c1e62
5d70e27c9004b376a58c1e62- 1cosec Afalse
- 2cos Afalse
- 3secAtrue
- 4sinAfalse
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Answer : 3. "secA"
Q: A tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is
2673 15d931a116819c079458b7c82
5d931a116819c079458b7c82- 180 mtrue
- 2100 mfalse
- 3160 mfalse
- 4200 mfalse
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Answer : 1. "80 m"
Q: The value of $$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ is:
1005 05dccdc8eef0a14548c1d4fff
5dccdc8eef0a14548c1d4fff- 1$$ {1\over2}$$false
- 20false
- 32false
- 41true
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Answer : 4. "1"
Explanation :
Put A=45 degree and we can get answer.
Q: If tan $$ -{7π\over4}=x $$ then the value of x is :
899 05e818954d063766356924b99
5e818954d063766356924b99- 1$$-{1\over2}$$false
- 2$$-{√3\over2}$$false
- 3$${√3\over2}$$false
- 41true
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Answer : 4. "1"
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