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[" Whow the t: "],[" Cif) Cos 38" Cosse"...

[" Whow the t: "],[" Cif) Cos 38" Cosse"-sin38 operatornameins? "]

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Show that(ii) Cos38^@Cos52^@-Sin38^@Sin52^@=0

Q.31 to 38

Show that : cos38^@cos52^@-sin38^@sin52^@=0 .

Show that : cos 38^@ cos 52^@-sin 38^@ sin 52^@ = 0

Show that : cos 38 ^@ cos 52 ^@ - sin 38^@ sin 52 ^@ = 0

Show that : (i) t a n" "48o" "t a n" "23o" "t a n" "42o" "t a n" "67o" "=" "1(i i) cos" "38o" "cos" "52o" "" "s in" "38o" "s in" "52o" "=" "0

Find the value of sin38^o +cos68^o -cos8^o

Evaluate : cos 38^@ cos 52^@ - sin 38^@ sin 52^@ .