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hiii
so here is your answer
1) tan theta = 1
tan theta = tan 45°
by comparing both sides
theta = 45°
now substitute the value of theta in given Q
which is
sin 45° + cos 45° / sec 45° + cosec 45°
by the help of trigonometry table
= 1/√2 + 1/√2 / √2+√2
= 1/2
hope this helps you
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