State whether the following are true or ...

State whether the following are true or false.Justify your answer:(ii)The value of `sintheta` increases as `theta`increases.

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R G PUBLICATION-INTRODUCTION TO TRIGONOMETRY-EXERCISE

If tan(A+B)=sqrt3 and tan(A-B)=1/sqrt3:find A and B.
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State whether the following are true or false.Justify your answer:(i)s...
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State whether the following are true or false.Justify your answer:(ii)...
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State whether the following are true or false. Justify your answer:(ii...
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State whether the following are true or false.Justify your answer:(iv)...
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State whether the following are true or false.Justify your answer:(v)c...
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Evaluate:(ii)tan26^@/Cot64^@
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Evaluate:(iii)Cos48^@-Sin42^@
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Evaluate:(iv)Cosec31^@-Sec59^@
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Show that:(i)tan48^@tan23^@tan42^@tan67^@=1
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Show that(ii)Cos38^@Cos52^@-Sin38^@Sin52^@=0
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If tan2A=cot(A-18^@)where 2A is an acute angle,find the value of A.
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If tanA=cotB,prove that A+B=90^@
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If sec 4A=cosec(A-20^@),where 4A is an acute angle,find the value of A...
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If A,B and C are interior angle of a triangle ABC,then show that sin(B...
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Express sin67^@+cos75^@in terms of trigonometric ratios of angles betw...
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Express the triangle ratio sinA,secA and tanA in terms of cotA.
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Write all the other trigonometric ratios of angleA in terms of sec A.
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Evaluate :(i)(Sin^2 63^@+Sin^2 27^@)/(Cos^2 17^@+Cos^2 73^@)
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