Question

please do question step by step

according to tenth class I will mark as him / her as a brainlist​

Answer 1

Answer:

=sin^2+ cosec^2+2sin.cosec + cos^2+sec^2 + 2sec.cos

=sin^2+ cosec^2+2 + cos ^2+ sec^2+2. (sin.cosec=1) (sec.cos=1)

=sin^2+cos^2 +2+2+sec^2+ cosec^2

=5+1/cos^2+1/sin^2

=5+(1/cos+1/sin)^2

=5+1/cos^2+1/sin^2+2

=7+tan^2+cot^2. (taking lcm of sin and cos)

Answer 2

Answer:

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