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ICSE-TRIGONOMETRICAL RATIOS OF STANDARD ANGLES-EXERCISE 23(C)
- Solve the following equations for A, if : 2sinA=1
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- Solve the following equations for A, if : 2cos2A=1
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- Solve the following equations for A, if : sin3A=sqrt(3)/2
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- Solve the following equations for A, if : sec2A=2
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- Solve the following equations for A, if : sqrt(3)tanA=1
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- Solve the following equations for A, if : tan3A=1
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- Solve the following equations for A, if : 2sin3A=1
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- Solve the following equations for A, if : sqrt(3)cot2A=1
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- Calculate the value of A, if : (sinA-1)(2cosA-1)=0
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- Calculate the value of A, if : (tanA-1)(cosec3A-1)=0
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- Calculate the value of A, if : (sec2A-1)(cosec3A-1)=0
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- Calculate the value of A, if : cos3A.(2sin2A-1)=0
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- Calculate the value of A, if : (cosec2A-2)(cot3A-1)=0
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- If 2sinx^(@)-1=0 and x^(@) is an acute angle, find: (i) bsinx^(@)" ...
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- If 4cos^(2)x^(@)-1=0 and 0 le x^(@) le 90^(@), find : x^(@)
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- If 4cos^(2)x^(@)-1=0 and 0 le x^(@) le 90^(@), find : sin^(2)x^(@)+c...
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- If 4cos^(2)x^(@)-1=0 and 0 le x^(@) le 90^(@), find : 1/(cos^(2)x^(@...
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- If 4sin^(2)theta-1=0 and angle theta is less than 90^(@), find the val...
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- If sin3A=1 and 0 le A le 90^(@), find : sin A
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- If sin3A=1 and 0 le A le 90^(@), find : cos 2A
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