# (1)the value of \pi ^{c} (pi to the power c) is..................... (2)sin² 28° + sin² 62° = .......................pls reply ssssssssssssssssooooooooooooooooooooonnnnnnnnnnn!!!!!!!tmr i hav my board xam

2
by deeenbe
s it is correct
i don't think it is correct..there should be something else given
k but 2nd one????
i too think the first question is wrong

2015-04-02T12:55:37+05:30

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(2) sin² 28° + sin² 62°

sin 62
° = cos(90 - 62)° = cos 28°

sin² 28° + sin² 62°
= sin² 28° + cos² 28°
=

(use the identity: sin² β + cos² β = 1)
2015-04-02T13:00:22+05:30

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(2) sin28 = sin(90-62) = cos62
Substitute the value
sin² 28° + sin² 62°
=cos²62 + sin²62
we know that sin²Ф + cos²Ф = 1
Hence'
cos²62 + sin²62 = 1
sin² 28° + sin² 62° = 1