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R G PUBLICATION-INTRODUCTION TO TRIGONOMETRY-EXERCISE
- If sectheta+tantheta=xthen the value of secthetawill be
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- The value of Sec^4A-Sec^2A is
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- If 5x=sectheta and 5/x=tantheta, find the value of 5(x^2 - 1/x^2)
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- If cosectheta=2x and cottheta=2/xthen the value of 2(x^2-1/x^2)will be
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- The value of sin40^@-cos50^@ is
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- The value of cos^2 37^@-sin^2 53^@ is
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- The value of sec^2 10^@-cot^2 80^@ is
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- The value of sin^2 29^@+sin^2 61^@
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- 9sec^2A-9tan^2 A is equal to
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- The value of tan30^@/cot60^@is
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- The value of cos(40^@+theta)-sin(50^@-theta)is
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- The value of sinthetacos(90^@-theta)+costhetasin(90^@-theta) is
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- The value of sec70^@sin20^@+cos20^@cosec70^@ is
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- If A and B are acute angle such that SinA=CosB then the value of (A+B)...
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- If cos9alpha=sinalpha and 9alpha<90^@then the value of tan 5alpha is
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- If sin(theta+34^@)=costheta and thetais acute then the value theta wil...
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- If tan2A=cot(A-21^@)where 2A is an acute angle thenangleA=?.
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- Say true (T) or False(F):(i)If costheta=xthen -1lexle1
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- Say true (T) or False(F):(ii)The value of tanthetaalways lies between ...
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- Say true (T) or False(F):(iii)The value of cottheta is not defined for...
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