Evaluate cos70 / 3sin20 + 4 ( sec^59- cot^31 )/ 3 - 2/3 sin90
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Answer:
Hey guys....
The answer is 1
Step-by-step explanation:
Use the identity of Sec SQ theta and tan SQ theta also u may convert cot theta into tan theta as cot theta is equals to 90 minus theta......same way convert sin theta into cos theta and put value of sin90......u HV ur ques solved.............
Hope this helps u......
!!!!!Cheers!!!!!!!
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