sin 25 cos 65+cos 25 sin 65
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Answered by
2
Sin 25 cos 65 + cos 25 sin65
Its the formula of sin(A+B)
=sin(25+65)
=sin 90
=1 ans
Its the formula of sin(A+B)
=sin(25+65)
=sin 90
=1 ans
Anonymous:
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Answered by
0
Answer:
1
Explanation:
Hello!
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we need a formula which is
sin( A + B ) = sinAcosB + cosAsinB
Given us,
sin25cos65 + cos25sin65
= sin( 25 + 65 )
= sin90
= 1
thanks
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