Question

Evaluate
tan²60° +4sin²45°+2sec²30°+5cos²90°÷cosec30°+sec60°-cot²30°​

Answer 1

Answer:

Taking

(sin

2

30+4cot

2

45−sec

2

60)

substituting the value of sin 30, cot45, sec60

=(

2

1

)

2

+4×(1)

2

−2

2

=

4

1

+4−4

=

4

1

Answer 2

Your answer in attachment, = 23/3