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If sqrt2sin (60^@ -alpha)= 1, then alpha...

If `sqrt2sin (60^@ -alpha)= 1`, then `alpha` is :

A

`45^@`

B

`15^@`

C

`60^@`

D

`30^@`

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R G PUBLICATION-MODEL PAPER 2-EXERCISE
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  4. If cos (20^@+A) = sin 30^@, then the value of A is :

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  9. Without drawing graphs, check whether the following pair of linear equ...

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  10. Find the value of tan 60^@ geometrically.

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