evaluate sin 65°,cos25° + sin25°,cos 65° + tan 45°
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Step-by-step 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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