show that tan a x sin a + cos a = secant a
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max-imsy-obc
j.oin .her.e
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ez bro
tan a = sina /cos a
now put in eq
sina/cosa*sina + cosa
sinsqaure a / cosa + cosa
sin sqaure a + cos square a /cosa ( we know sin square a + cos square a = 1)
1/cosa = secant a = rhs
Step-by-step explanation:
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