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cos210° - cos10°cos50° + cos250° is equal to (1) 3/2 (2) 3/4 (3) 3/2(cos20° + 1) (4) 3/4(cos20° + 1)

asked Mar 11, 2021 in Uncategorized by anonymous

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1 answer 223 views

Two vertical poles of heights, 20 m and 80 m stand a part on a horizontal plane

asked Mar 10, 2021 in Uncategorized by anonymous

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1 answer 463 views

If cos (α + β) = 4/5 and sin (α – β) = 5/13 , where they lie between 0 and π/4, find the value of tan2α

asked Mar 10, 2021 in Uncategorized by anonymous

+1 vote

1 answer 618 views

If alpha=cos^-1(3/5) , beta=tan^-1(1/3), where 0<alpha,beta<π/4 , then alpha-beta is equal to

asked Mar 10, 2021 in Uncategorized by anonymous

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1 answer 603 views

The maximum value of 3cos theta+5sin{theta-π/6) for any real value of theta is

asked Mar 10, 2021 in Uncategorized by anonymous

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1 answer 765 views

A and B each have certain number of oranges. A says to B, "if you give me 10 of your oranges, I will have twice the number of oranges left with you.

asked Mar 10, 2021 in maths by anonymous

+1 vote

1 answer 267 views

The sum of all values of θ ∈ (0, π/2) satisfying sin2 2θ + cos4 2θ = 3/4 is

asked Mar 10, 2021 in Uncategorized by Doubtly (98.9k points)

+1 vote

1 answer 312 views

If 5(tan 2 x−cos 2 x)=2cos2x+9, then the value of cos4x is

asked Mar 9, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 191 views

Functions jee main important imp notes

asked Mar 8, 2021 in Uncategorized by Topper11 (2.8k points)

+3 votes

1 answer 364 views

My teacher is asking to pay fine for not completing homework is it legal

asked Mar 8, 2021 in Discuss by QuestionHub (156 points)

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1 answer 237 views

computer meaning

asked Mar 6, 2021 in Operating System by HelloWorld (8.1k points)

+2 votes

1 answer 305 views

Write HTML code for displaying a Web Page containing a six-celled table as shown below.

asked Mar 5, 2021 in Operating System by HelloWorld (8.1k points)

+2 votes

1 answer 2.9k views

What is a binary tree? Draw the tree structure for the following expression:

asked Mar 5, 2021 in Operating System by HelloWorld (8.1k points)

+1 vote

1 answer 751 views

Write the exact output for the following HTML code specifying RGB colors, output specifications in bracket

asked Mar 5, 2021 in Operating System by HelloWorld (8.1k points)

+3 votes

1 answer 965 views

Explain STACK and QUEUE data structures with suitable examples.

asked Mar 5, 2021 in Uncategorized by anonymous

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1 answer 5.6k views

Explain in brief any six data structure operations.