Math, asked by vilaskumbhani, 11 months ago

Without using trigonetric table, evaluate:
cos^2 50+cos^2 40÷ sec^2 70 + sec^2 20 +
+ 2 (cosec^2 58)- 2 (cot58. tan32)- 4 (tan13. tan37. tan53. tan77) .

Answers

Answered by Anonymous
32

<marquee behavior=move bgcolor=White ><h1>Solution is in the attachment ☝</h1></marquee>

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