Evaluate the following:(ii)2 tan^@ 45^@+...

Evaluate the following:(ii)`2 tan^@ 45^@+cos^2 30^@-sin^2 60^@`

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R G PUBLICATION-INTRODUCTION TO TRIGONOMETRY-EXERCISE

State whether the following are true or false.Justify your answer.(v)s...
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Evaluate the following:(i)sin 60^@ cos30^@+sin 30^@ cos 60^@
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Evaluate the following:(ii)2 tan^@ 45^@+cos^2 30^@-sin^2 60^@
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Evaluate the following:(iii)Cos45^@/(Sec30^@+Cosec30^@)
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Evaluate the following:(iv)(Sin30^@+tan45^@-Cosec60^@)/(Sec30^@+Cos60^...
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Evaluate the following:(v)(5cos60^@+4Sec30^@-tan^2 45^@)/(Sin^2 30^@+C...
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Choose the correct option and justify your choice:(i)(2 tan 30^@)/(1+t...
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Choose the correct option and justify your choice:(ii)(1-tan^2 45^@)/(...
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Choose the correct option and justify your choice:(iii)sin 2A=2sin A i...
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Choose the correct option and justify your choice:(iv)(2 tan 30^@)/(1-...
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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:(i)Sin18^@/Cos72^@
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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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