Question

sin 25cos65+cos25sin65​

Answer 1

Answer:

0.893997

Step-by-step explanation:

=−0.132352(cos(65))+(cos(25))(sin(65))

=(−0.132352)(−0.562454)+(cos(25))(sin(65))

=0.074442+(cos(25))(sin(65))

=0.074442+0.991203(sin(65))

=0.074442+(0.991203)(0.826829)

=0.074442+0.819555

=0.893997

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Answer 2

Answer:

sin 25 cos 65+ cos25 sin 65

sin( A + B ) = sinAcosB + cosAsinB

Given ,

sin25 cos65 + cos25 sin65

= sin( 25 + 65 )

= sin90

= 1

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